The Barito basin from the Schwaner and Muller mountains to the middle river: the upper river peoples (later Ot Danum, Siang and Murung) above Puruk Cahu, the middle river peoples (later Lawangan, Maanyan, Dusun and Bakumpai) from Muara Teweh down.
The Maanyan language is the closest relative of Malagasy (Dahl 1951; Adelaar), which shows that Barito-speaking people took part in Indian Ocean voyages in the first millennium; this river is older in the sea trade than any text of 1200 would show.
Who holds it
- Title
- No overall chief: village or longhouse headmen, elders and war leaders, each answering for their own people
- Since
- not pinned
- Born
- not known
- Family
- not known
- Confidence
- low
Nothing is written about the rulers or headmen of this country for 1200. The structure is read from geography and from ethnography of the nineteenth and twentieth centuries.
What it holds
- The river stages from Puruk Cahu to Buntok
- Rattan, resin and gold
- The upland swiddens
Allies and rivals
The Barito longhouse heads (Barito longhouses) and the Barito mouth headman (Barito mouth headman).
How things stand that morning
Not described for 1200; the villages are presumed to be farming, fishing and selling what the rivers and forests give.
Wealth
Forest goods and gold; no figures.
Military
Not known; boats, spears, shields and blowpipes in the later record. No numbers.
Threats
- Feuds and raiding between villages
- Flood, drought or fire
- A change in the trade that comes by sea
Places of note
- Puruk Cahu: Head of loaded-boat navigation.
- Muara Teweh: Middle river stage (position approximate).
- Buntok: Middle river stage.
Where the sources disagree
- The ethnic names used here (Dayak, Kayan, Kenyah, Iban, Ngaju, Banjar and the rest) are later outsiders' or ethnographic names; the ethnic map of 1200 is not known and differs from the modern one.
Evidence: Geography and later ethnography only; no text of the period describes this country.
On the map: A rough outline of the people's country; the real extent of any village group in 1200 is not known, and nothing here is a border.
Sources and studies
- Background knowledge of Southeast Asian history (Wolters; Hall; Bellwood; Scott; Junker; Reid), recalled and not re-read in this pass
- The OMNIA board (September 2026) note for this place: a lead only, not a source
- The isa regional brief (ISA_BRIEF.md) and assignment ise.txt
Last revised 4 November 2026. Published 4 November 2026. Suggest a correction on the OMNIA Discord.