1 Chronicles 7:4

4 All of them had many wives and many sons, so the total number of men available for military service among their descendants was 36,000.

1 Chronicles 7:4 Meaning and Commentary

1 Chronicles 7:4

And with them, by their generations, after the house of their
fathers, were bands of soldiers for war
Companies of men of military courage and skill, who could and did go out to war upon occasion: six and thirty thousand [men];
besides the 22,600 Tolaites, ( 1 Chronicles 7:2 ) , for they had many wives and sons;
having many wives, they had many sons; polygamy was the cause of their large numbers; and that they gave into for the sake of the multiplication of Abraham's seed, according to the divine promise.

1 Chronicles 7:4 In-Context

2 The sons of Tola were Uzzi, Rephaiah, Jeriel, Jahmai, Ibsam, and Shemuel. Each of them was the leader of an ancestral clan. At the time of King David, the total number of mighty warriors listed in the records of these clans was 22,600.

3 The son of Uzzi was Izrahiah. The sons of Izrahiah were Michael, Obadiah, Joel, and Isshiah. These five became the leaders of clans.

4 All of them had many wives and many sons, so the total number of men available for military service among their descendants was 36,000.

5 The total number of mighty warriors from all the clans of the tribe of Issachar was 87,000. All of them were listed in their genealogical records.

6 Three of Benjamin’s sons were Bela, Beker, and Jediael.