CoreSubgroup of 3 languagesAncestorsAustronesian 1256Malayo-Polynesian 1234Land Dayak 15Bidayuh 4CoreDescendants Central 1Bidayuh, Biatah bth, a language of Malaysia Sembaan 1Bidayuh, Tringgus-Sembaan trx, a language of Malaysia Western 1Bidayuh, Bau sne, a language of Malaysia