John Gill Commentary Genesis 36:27

"These are the children of Ezer: Bilhan and Zaavan and Akan." — Genesis 36:27 (ASV)

The children of Ezer are these
Another son of Seir, who had the following sons: Bilhan, and Zaavan, and Achan ;
the two last are called Zavan and Jakan, in (1 Chronicles 1:42) .