Lala-Bisa-Lamba (M.54)Subgroup of 1 languagesAncestorsNiger-Congo 1552Atlantic-Congo 1452Volta-Congo 1380Benue-Congo 985Bantoid 699Southern 678Narrow Bantu 546Central 353M 28Lala-Bisa-Lamba (M.54)Lamba lam, a language of Zambia