The Mansakan languages are a group of Austronesian languages spoken in the Philippines. Dabawenyo is the principal native language of the Davao region; however, there is a high degree of bilingualism in Cebuano among their speakers. Most speakers have shifted to a dialect of Cebuano today.
^Gallman, Andrew Franklin. A Reconstruction of Proto-Mansakan. M.A. dissertation. Arlington, Texas: Dept. of Linguistics, University of Texas at Arlington, 1974.