4 And they took for themselves wives from the women of Moab; the name of the one was Orpah, and the name of the other Ruth: and they lived there about ten years.
Ruth 1:4 Cross References - NHEB
Deuteronomy 7:3
3 neither shall you make marriages with them; your daughter you shall not give to his son, nor shall you take his daughter for your son.
Deuteronomy 23:3
3 An Ammonite or a Moabite shall not enter into the assembly of the LORD; even to the tenth generation shall none belonging to them enter into the assembly of the LORD forever:
1 Kings 11:1-2
1 Now king Solomon loved women, and he took many foreign women, together with the daughter of Pharaoh, women of the Moabites, Ammonites, Edomites, Sidonians, and Hittites;
2 of the nations concerning which the LORD said to the children of Israel, "You shall not go among them, neither shall they come among you; for surely they will turn away your heart after their gods." Solomon clung to these in love.
Matthew 1:5
5 and Salmon the father of Boaz by Rahab, and Boaz was the father of Obed by Ruth, and Obed was the father of Jesse,