Diffloth & Zide (1992) had listed Con as a Lametic language. However, it is treated as a dialect of Kiorr in Sidwell (2010).[2][3] Kiorr could be a historical name for the Saamtaav people.[4]
^Proschan, Frank. (1996). A Survey of Khmuic and Palaungic Languages in Laos and Vietnam. In: Pan-Asiatic Linguistics Proceedings of the Fourth International Symposium on Languages and Linguistics. Institute of Language and Culture for Rural Development. Mahidol University at Salaya Thailand.