Isaiah 8:2-3

8:2 Then I will summon as my reliable witnesses Uriah the priest and Zechariah son of Jeberekiah.” 8:3 I then had sexual relations with the prophetess; she conceived and gave birth to a son. The Lord told me, “Name him Maher-Shalal-Hash-Baz,

Malachi 2:14

2:14 Yet you ask, “Why?” The Lord is testifying against you on behalf of the wife you married when you were young, to whom you have become unfaithful even though she is your companion and wife by law.

Hebrews 13:4

13:4 Marriage must be honored among all and the marriage bed kept undefiled, for God will judge sexually immoral people and adulterers.