Neither shalt thou make marriages with them;
Deut.7:3
marriages with them, they shall be snares and traps unto you
Joshua 23:12-13
and plucked off their hair, and made them swear by God, saying
Nehemiah 13:23-27
Therefore now shall ye not join your daughters unto their sons, neither shall ye take their daughters unto your sons.
1 Esdras 8:83-84
a wife of the seed of thy fathers
Tobit 4:12-13
married the daughter of a strange god
Malachi 2:11-15
Ye have transgressed, and have taken strange wives, to increase the trespass of Israel.
Ezra 10:10-11
sow it with thine own seed, trusting in the goodness of thy stock.
Sirach 26:20-21
Be ye not unequally yoked together with unbelievers
2 Corinthians 6:14