Nehemia 13 : 24 Nehemiah chapter 13 verse 24

na watoto wao wakanena nusu kwa lugha ya Ashdodi, wala hawakuweza kunena kwa Kiyahudi, bali kwa lugha ya watu hao mojawapo.
soma Mlango wa 13

and their children spoke half in the speech of Ashdod, and could not speak in the Jews' language, but according to the language of each people.