The Janambre (Xanambre) were an indigenous people of Tamaulipas in northeast Mexico. They were the historical enemies of the Pison (Pisones).
The Janambre language, now extinct, is unattested.[1] William Bright (1955) thought the Janambre language might have been Naolan, an unclassified language of the region.[2] Other unattested extinct languages of Tamaulipas include Pisone, "Negrito" and Olive.[3]
. John Alden Mason . 1950 . The languages of South America . Julian . Steward . Handbook of South American Indians . 6 . 157–317 . Smithsonian Institution, Bureau of American Ethnology Bulletin 143 . Washington, D.C., Government Printing Office.