Exodus 1:11
11 Therefore they set taskmasters over them ito afflict them with heavy jburdens. They built for Pharaoh kstore cities, Pithom and lRaamses.
Exodus 1:14
14 and nmade their lives bitter with hard service, in mortar and brick, and in all kinds of work in the field. In all their work they ruthlessly made them work as slaves.
Numbers 20:15
15 dhow our fathers went down to Egypt, eand we lived in Egypt a long time. fAnd the Egyptians dealt harshly with us and our fathers.