Ammishaddai in Easton's Bible Dictionary

people of the Almighty, the father of Ahiezer, who was chief of the Danites at the time of the Exodus (Num. 1:12; 2:25). This is one of the few names compounded with the name of God, Shaddai, "Almighty."

Link: https://bible-history.com/eastons/A/Ammishaddai/