Hadad

One of “the king’s seed in Edom.” He fled into Egypt, where he married the sister of Pharaoh’s wife (1 Kings 11:14-22). He became one of Solomon’s adversaries.

Hadad, sharp, (a different name in Hebrew from the preceding), one of the sons of Ishmael (1 Chr. 1:30). Called also Hadar (Gen. 25:15).

M.G. Easton M.A., D.D., Illustrated Bible Dictionary, Third Edition
Partners: Sister of Tahpenes
Children: Genubath