@Indignation @rt_com
Are they Jewish?
Because Jews seem to not have much of a problem with mother son relations as long as the son is young enough it will not disqualify his mother from marrying a Priest according to Chabad Orthodox Jewish scriptures written later than the Christian New Testament
https://www.chabad.org/torah-texts/5458385/The-Talmud/Sanhedrin/Chapter-8/69b
Sanhedrin 69b