Leviticus 19:20

" 'And when a man lies with a woman [and there is] an emission of semen and she [is] a female slave promised to a man, but she indeed has not been ransomed or freedom has not be given to her, [there] shall be an obligation to compensate; they shall not be put to death, because she has not been freed.

Deuteronomy 22:23-24

"If it happens [that] a young woman, a virgin, [is] engaged to a man, [and] a man finds her in the town and lies with her,

Exodus 21:20-21

And if a man strikes his male slave or his female slave with the rod and he dies under his hand, he will surely be avenged.

Treasury of Scripture Knowledge

Summary

And whosoever lieth carnally with a woman, that is a bondmaid, betrothed to an husband, and not at all redeemed, nor freedom given her; she shall be scourged; they shall not be put to death, because she was not free.

Betrothed to an husband

Bible References

Betrothed to an husband

Exodus 21:20
And if a man strikes his male slave or his female slave with the rod and he dies under his hand, he will surely be avenged.
Deuteronomy 22:23
"If it happens [that] a young woman, a virgin, [is] engaged to a man, [and] a man finds her in the town and lies with her,