NET
4 According to the genealogical records of their families, they had 36,000 warriors available for battle, for they had numerous wives and sons.
Darby
4 And with them by their generations, according to their fathers' houses, were military bands for war, thirty-six thousand; for they had many wives and sons.
KJV
4 And with them, by their generations, after the house of their fathers, [were] bands of soldiers for war, six and thirty thousand [men]: for they had many wives and sons.