40 The sons of Ulam were brave warriors who could handle the bow. They had many sons and grandsons—150 in all. All these were the descendants of Benjamin.

Read 1 Chronicles 8:40 Using Other Translations

And the sons of Ulam were mighty men of valour, archers, and had many sons, and sons' sons, an hundred and fifty. All these are of the sons of Benjamin.
The sons of Ulam were men who were mighty warriors, bowmen, having many sons and grandsons, 150. All these were Benjaminites.
Ulam’s sons were all mighty warriors and expert archers. They had many sons and grandsons—150 in all. All these were descendants of Benjamin.