looks like some sources say 20, some say things like "marriageable age', and some say it was the onset of puberty (after ~12); [Ezekiel 16:2-8 “Your breasts were formed and your hair was grown..the time of love” ](https://slideplayer.com/slide/6298545/21/images/24/Ezekiel+16%3A2-8.jpg). Here is a [bunch ](https://discover-the-truth.com/2020/06/10/the-age-of-marriage-and-sex-in-the-bible/)on the subject