Laohg

I am the god of spirits on the face of the earth, and my name is Laohg, but I was once named Abel.
My brother(/sister) is the deity of lust, and his(/her) name is Lust, but was once named Seth.
My Sister is the Goddess of fornication, incest, adultery, temple prostitution and pedophilia. Her name is Shadowlina but was once Awan.

Fornication original mean idolatry and harlotry, not sex before marriage.

FYI the Bible says nothing bad about sex before marriage :)