Bible Verses About Marrying Kin

None of you shall approach to any that is near of kin to him, to uncover their nakedness: I am the LORD.

Thou shalt have no other gods before me.

Therefore shall a man leave his father and his mother, and shall cleave unto his wife: and they shall be one flesh.

Marriage is honourable in all, and the bed undefiled: but whoremongers and adulterers God will judge.