Machir's wife Maacah bore a son whom she named Peresh. His brother was named Sheresh, and his sons were Ulam and Rekem.

Ulam's son was Bedan. These were the children of Machir's son Gilead, who was also a descendant of Manasseh.

The sons of his brother Eshek included Ulam his firstborn, Jeush his second, and Eliphelet his third.

Ulam's descendants were valiant warriors and archers. They had 150 children and grandchildren, all descendants of Benjamin.