Exodus 1:13

¹¹  Therefore they did set over them taskmasters to afflict them with their burdens. And they built for Pharaoh treasure cities, Pithom and Raamses.

¹²  But the more they afflicted them, the more they multiplied and grew. And they were grieved because of the children of Israel.

¹³  And the Egyptians made the children of Israel to serve with rigor:

¹⁴  And they made their lives bitter with hard bondage, in mortar, and in brick, and in all manner of service in the field: all their service, wherein they made them serve, was with rigor.

¹⁵  And the king of Egypt spake to the Hebrew midwives, of which the name of the one was Shiphrah, and the name of the other Puah: