en_tn_lite_do_not_use/jos/17/01.md

firstborn and who himself was

Here "himself" emphasizes that the same person—Makir—was the firstborn of Manasseh and was also the father of Gilead. Alternate translation: "firstborn; he was also" (See: rc://en/ta/man/jit/figs-rpronouns)

Makir

These are men's names. (See: rc://en/ta/man/jit/translate-names)

Makir's descendants were assigned the land of Gilead and Bashan

This can be stated in active form. Alternate translation: "Joshua assigned the land of Gilead and Bashan to Makir's descendants" (See: rc://en/ta/man/jit/figs-activepassive)