There is a picture of the findings they found in the excavation

https://www.biblicalarchaeology.org/daily/biblical-artifacts/puzzling-finds-from-kuntillet-ajrud-a-drawing-of-god-labeled-yahweh-and-his-asherah-or-the-egyptian-god-bes/

El's full name is Elohim, meaning 'strong one' https://followingjesus.org/how-yahweh-met-elohim-and-created-the-world/

Neither "Seventy sons of Athirat" or the number "seventy" appear in Deuteronomy 32: 8-9. In NRSVUE the only name mentioned is Jacob, and it talks about some sort of division of people and the gods they worship.