The Trebovane are a name between two commas. It stands in the list of peoples along the northern edge of the diocese of Prague, and it appears in no other contemporary source. Where these people lived, whether they were a tribe of their own at all and what their name means has been debated for a century. This article keeps four things apart: what the text says, what the spade has found, what name studies consider and what remains interpretation.
In Latin they are Trebouane; the literature also writes Trebovane, in Polish Trzebowianie, in Czech Trebované or Třebované. The term refers to a West Slavic group of the 10th century somewhere in present-day Silesia. It appears in a single enumeration, between the Zlasane (Slensane) and the Boborane. That is all the written sources give. No prince is recorded, no stronghold, no event, not even a number such as the Bavarian Geographer gives for other tribes.
Anyone writing about the Trebovane therefore faces a problem that falls into four layers. The first is the source: one sentence in a charter that survives only as an insertion in a chronicle. The second is archaeology, which knows strongholds and settlements in the presumed area but cannot tie a single find to the name “Trebovane.” The third is name study, which asks what Trebouane means and whether the name denotes a people, a landscape or a group of settlements. The fourth is interpretation: the combination of all this into a picture. It is the least certain layer, and this article marks it as such.
A word on location first. Now and then the Trebovane are sought in northern Bohemia, with echoes of Bohemian place names such as Třebovice or Třebovle. In the scholarship we checked there is no support for that. The discussion centres on Lower Silesia, more precisely on the land west and north of the Slensane. More on that below.
The Trebovane stand in a text that claims to reproduce a charter of Emperor Henry IV of 29 April 1086, confirming the extent of the diocese of Prague. In the Monumenta Germaniae Historica edition it carries the number DH IV 390. It survives in the Chronica Boemorum of Cosmas of Prague, written between 1119 and 1125 and preserved in about fifteen manuscripts. That the charter sits in the second book (chapter II,37 according to the brief we worked from) we have not verified against the edition.
The document is no ordinary witness. A presentation on the Jassa project's website calls it a description of an alleged charter and leaves open whether an original ever existed or whether Henry IV confirmed the boundaries at all. It even considers that Cosmas, as a Czech patriot, may have invented the story. By its own account the text reproduces the diocese's boundaries from its foundation in 973. The research we could consult assumes an older Prague source lies behind it, one that listed peoples and lands rather than rivers and mountains. Krzysztof Fokt summarised this in 2014: the names of the list go back to a Prague diocesan source and should therefore be sought on the left bank of the Oder.
For the northern border the text gives a series of peoples. The Latin wording as reproduced on jassa.org reads:
Then these are the boundaries to the north: the Psovane, the Croats and the other Croats, the Slensane, the Trebovane, the Bobrane, the Dedosese, as far as the middle of the forest where the boundaries of the Milceni meet.Cosmas of Prague, Chronica Boemorum, book II (reproducing the charter of Henry IV of 29 April 1086, DH IV 390); own translation from the Latin “Deinde ad aquilonalem hii sunt termini: Psouane, Chrouati et altera Chrouati, Zlasane, Trebouane, Boborane, Dedosese usque ad mediam sylvam, qua Milcianorum occurrunt termini” as reproduced on jassa.org; edition not consulted ourselves
Two things stand out in this series. First, as far as one can tell it runs roughly from southeast to northwest and ends at the Milceni in Upper Lusatia. The tribes are thus named roughly in the order of their position, and the Trebovane sit between the Slensane around Mount Ślęża and the Bobrane on the Bóbr. That is the main clue to their location, and it is not a strong one. Second, the Opolane and the Golensizi, whom the Bavarian Geographer knows, are missing from this series, while the Trebovane and Bobrane are missing from the Geographer. The two lists overlap only in part, and we do not know why.
Because the source names no places, scholars have inferred the location from the order of the list, from name study and from archaeological settlement areas. Three proposals can be distinguished.
The first is the traditional one. It puts the Trebovane on the Kaczawa (German Katzbach), a left tributary of the Oder around Legnica (Liegnitz), and the Bobrane on the upper and middle Bóbr. Fokt names Szydłowski, Lodowski and Jaworski, among others, for this view. In 1933 Zygmunt Wojciechowski, too, had sought the Trebovane in the west on the Kaczawa, in the Legnica area rather than at Trzebnica, in the Historia Śląska. It is the proposal most accounts adopt.
The second proposal starts from the place name Trzebnica (German Trebnitz) north of Wrocław. Lech Tyszkiewicz discusses the Trebovane in 1999 within a study of settlement and economy around Trzebnica and regards them as a settlement name within the territory of the Slensane (see below). The proposal rests mainly on the similarity of names: town and tribal name share a root. That alone proves nothing, since many places bear names from that root. In addition, Trzebnica first appears in a charter of 1138, a good century and a half after the moment the Prague description is meant to capture.
The third proposal comes from Sławomir Moździoch, who in his study “Społeczność plemienna Śląska w IX–X wieku” (2000) placed the Trebovane in the Barycz basin, that is, on the right bank of the Oder, and the Bobrane in the catchment of the Obra, which would turn them into “Obrzanie.” His reasoning hangs on how the Piast strongholds of the 10th century relate to Přemyslid interests. In 2014 Fokt tested this position in the article Między Pragą a Miśnią in Sobótka. He compared it with another charter, the diploma of Otto III of 995 (DO III 186), which describes the eastern border of the diocese of Meissen, and concluded that all Silesian tribes named in the Prague charter must have lived on the left bank of the Oder. He thereby returned to the traditional location: Trebovane on the Kaczawa, Bobrane on the Bóbr. We know this argument only from the abstract and a partial view of the article; we have not read the full text.
Fokt makes a point here that matters beyond the Trebovane. One should not demand of a tribe that it be large, durable and archaeologically visible. A group may have existed only briefly, numbered few people and left no known sites, and still appear in a source. The neighbours, the Slensane and the Dziadoszane, by contrast, are attested both around 800 and at the beginning of the 11th century. The Trebovane and Bobrane may have been short-lived units whose traces are lost. That is a possibility, not a finding.
Name study is more careful here than many overviews. The name Trebouane is generally linked with the Slavic verb for “to clear, to thin out woodland,” Polish trzebić. Tyszkiewicz writes that the name derives “from trzebić, that is, to clear forest, like that of Trzebnica,” relying on a town history by Stanisław Solicki from 1995. The Trebovane would then be “the people of the cleared land.” This is the usual explanation, and it is plausible. But it explains the word, not the place: roots of this kind sit in countless Slavic settlement names. From the sources we checked, two examples will do: Třebovice in the Ústí nad Orlicí District in eastern Bohemia, and Třebovle in the Kolín District in central Bohemia, first recorded in 1297. Both lie far from Silesia, and no one in the literature we examined connects them with the Trebovane.
Tyszkiewicz goes a step further and asks whether the Trebovane were a tribe of their own at all. His view, expressly given as his own: they were not an independent tribe but only a distinct settlement name, part of the Slensane territory. This is a minority position, and we label it as interpretation. It has a factual core, though: a bare mention in a list does not mean that those named saw themselves as a community or were seen as one by others. The author of the source may have used “Trebouane” for the inhabitants of a district that stood out to him for its clearance settlements.
On the ending: -ane forms inhabitant names from landscapes or places in Old Slavic, as with the Slensane (from Ślęża), the Bobrane (from the Bóbr) or the Opolane (from the Opole region). That makes it likely that Trebouane derives from a place name or a landscape term. This is a linguistic observation, not evidence for which place is meant.
No find is labelled with the name of the Trebovane. What exists are strongholds of the 9th and 10th centuries in the Sudeten foreland, which archaeologists group by location and date. For the Kaczawa area Krzysztof Jaworski described a “Kaczawa group” of strongholds. Ewa Lisowska lists Chełmiec, Bolkowice, Mierczyce, Myślibórz, Piotrowice and Rokitnica for it; two further sites, Wysoka and a second place at Mierczyce, are unexcavated or unpublished.
In 2014 and 2015 Lisowska excavated a small rampart at Nowy Kościół (German Neukirch) in the Kaczawa foreland and published her results in 2016 in Śląskie Sprawozdania Archeologiczne. The site covers about six ares at roughly 294 metres above sea level. Its ramparts stood up to about a metre high and were built of timber boxes filled with stones. There was a single gate with a stone threshold and paving, and two log houses on levelled platforms with stone foundations and hearths; the author estimates seven or eight platforms in all. Beneath the rampart lay a complete iron bowl of Silesian type, which she classes as a rare and possibly ritual find. About 300 sherds from roughly 20 vessels, iron tools, whetstones and flint pieces were added. The pottery and radiocarbon dates from burnt rampart timber point to the 9th century, possibly the beginning of the 10th; the luminescence dates did not agree. Pollen shows woodland, meadow plants and traces of nearby cultivation.
The excavator's interpretation is notably cautious. The site was single-phase, occupied for under a hundred years, perhaps by around fifty people, possibly a watch post above the Kaczawa valley near agate deposits. It was probably abandoned voluntarily and burnt in the process. Lisowska does not confirm that the rampart belonged to the Trebovane; she links it to them only indirectly, through the group of neighbouring sites. She notes that the Trebovane are mostly sought north and west of the Slensane. That points to a frame, not to proof of a tribe.
On the Bóbr too, Fokt says, settlement is thin but there are at least five strongholds of the 10th century. He regards that as enough for a small, short-lived group. This names a basic problem: the same ramparts support a group with its own name only if one already holds the names of the charter to be correctly located. The argument runs in a circle as long as no independent attribution exists.
The Trebovane belong to the “Silesian tribes,” a collective term of modern scholarship. In the Prague series these are the Slensane (Zlasane), whom people link with Mount Ślęża and the land south of Wrocław, the Bobrane (Boborane) on the Bóbr and the Dziadoszane (Dedosese) further west on the Bóbr and the middle Oder. According to Fokt the Slensane and Dziadoszane are attested both around 800 and at the beginning of the 11th century, the Bobrane and Trebovane only in the Prague series. Whether the Trebovane were closely related to the Slensane, split from them or belonged to them, as Tyszkiewicz considers, cannot be read from the order of names.
The series ends at the Milceni, whose land we place in Upper Lusatia. That the enumeration breaks off exactly there indicates how far north and northwest the Prague diocese was meant to extend. Anyone who sees maps drawing the diocese of Prague in 973 all the way up to Kraków should recall Fokt's starting point: this is the picture of a charter, not a secure political map. The Jassa page notes that, if the charter's claims are accurate, even Kraków would have belonged to Prague; that too is a reason to read the description with care.
The area where the Trebovane are sought lay at a seam in the 10th century. Fokt draws on the Meissen diploma of 995, in which Otto III grants the diocese of Meissen the land between the upper Oder and the upper Elbe, and which sets the interests of Meissen, Bolesław the Brave and the Slavnikid Soběslav against Prague. The question to whom the tribes west of the Oder were counted at the time was therefore political. The Přemyslids and the Piasts both had an interest in the region. When and how it finally fell to the Piasts is a separate and equally disputed story, reflected in the dating of the strongholds on the Oder crossings.
After 1086 the name disappears. Already in the 11th century the sources no longer order Silesia by tribes but by stronghold districts, and tribal names live on only in landscape and place names. The Slensane show this well: their name appears in Thietmar's chronicle as pagus Silensi in the 11th century and later became “Silesia.” For the Trebovane such a link is missing. Either their name did not attach itself to a place, or it did and we fail to recognise it.
This is where the place name Trzebnica comes back in. The town is first named in 1138, as mentioned, and later became famous for the Cistercian convent that Duke Henry the Bearded and his wife Hedwig of Andechs founded around 1202/1203. English-language overview literature sees Trzebnica as an early religious and trading centre, possibly more important than Wrocław. That this place grew out of the name of the Trebovane is conceivable and cannot be proved. The shared word stem and the thought that “cleared land” later became farmland and convent land make the link tempting. We know of no source that supports it.
Something similar holds for the Kaczawa country. In later centuries it appears as densely settled land in which German eastward settlement reorganised the villages. Whether descendants of the people given a single word in the Prague text still lived there, neither charters nor excavations say. Continuity of population is likely, but that is a supposition.
At the end of the examination the Trebovane remain a word. It is a readable word: it points to clearing, it stands in the middle of an ordered series, and it can be connected with river courses and groups of ramparts. No portrait emerges. Four questions stay open. Did the Prague source name a community or a landscape? Did that community live on the Kaczawa, at Trzebnica or in the Barycz basin? Do the ramparts of the foreland have anything to do with it? And did the name survive beyond the 10th century?
A sober picture can still be drawn: a small, probably short-lived unit in the Sudeten foreland or near the middle Oder, with several small fortifications, in the shadow of larger neighbours and in the dispute between Prague, Meissen and the Piasts. That the sources are so thin says nothing about the people, only about what was preserved of them in writing. The Golensizi further southeast belong to the same family of thinly attested groups, as do, on the Spree, the Lusici.
The Slensanes · The Bobrzanie · The Dziadoszanie · The Milceni · The Opolans.
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