Cross reference
Exodus 18:2
2 And Jethro, Moses' father-in-law, took Zipporah, Moses' wife, after he had sent her away,
Exodus 2:21
21 And Moses was content to dwell with the man: and he gave Moses Zipporah his daughter.
Exodus 4:25-26
25 Then Zipporah took a flint, and cut off the foreskin of her son, and cast it at his feet; and she said, Surely a bridegroom of blood art thou to me.
26 So he let him alone. Then she said, A bridegroom of blood `art thou', because of the circumcision.