Numbers 20:15

How our fathers went down into Egypt ,.... Jacob and his twelve sons, with their children:

and we have dwelt in Egypt a long time ; even the space of four hundred and thirty years, Exodus 12:40 .

and the Egyptians vexed us and our fathers ; used them ill, brought them into bondage, and made their lives bitter, laid heavy tasks and burdens upon them, as well as slew their male children, see Exodus 1:7 .