Nyorera kupfuurira kweiyi ndima - Munguva yezana ramakore rechinomwe AD, nzanga yakagadziriswa inozivikanwa seVijayapura, rwizi rweumambo hweSrivijaya, inofungidzirwa kuti yaivepo kuchamhembe kwakadziva kumadokero kweBorneo. Umambo hwokutanga hwokuzvimirira muBorneo, hunofungidzirwa kuti hwakanga hwavapo kubvira muzana remakore rechi9, hwaiva Po Ni, sezvakanyorwa mubhuku reChina rinonzi "Taiping Huanyu Ji". Zvaidavirwa kuti Po Ni akanga aripo pamuromo peRwizi rweBrunei uye akanga ari mutangiri woUmambo hweBrunei. Sezvo China yakanga iri pasi pokukunda kweMongol Empire, nyika dzose dzechiChinese dzakava pasi pevatongi veMongol veChina. Pakuvamba muna 1292, Kublai Khan anonzi akatumira boka rokurwisa kuchamhembe kweBorneo, asati aenda kunopinda muJava
muna 1293. Somugumisiro wokurwisa uku, kunofungidzirwa kuti vateveri vake vakawanda pamwe chete nevamwe vatengesi vokuChina pakupedzisira vakagara ndokutanga nzvimbo yavo pachavo paRwizi rweKinabatangan.