Exodus 12:38

12:38 A mixed multitude also went up with them, and flocks and herds – a very large number of cattle.

Leviticus 24:10-11

A Case of Blaspheming the Name

24:10 Now an Israelite woman’s son whose father was an Egyptian went out among the Israelites, and the Israelite woman’s son and an Israelite man had a fight in the camp. 24:11 The Israelite woman’s son misused the Name and cursed, so they brought him to Moses. (Now his mother’s name was Shelomith daughter of Dibri, of the tribe of Dan.)

Nehemiah 13:3

13:3 When they heard the law, they removed from Israel all who were of mixed ancestry.