NET
13 Their relatives, who were leaders of their families, numbered 1,760. They were capable men who were assigned to carry out the various tasks of service in God’s temple.
Darby
13 and their brethren, heads of their fathers' houses, a thousand and seven hundred and sixty; able men for the work of the service of the house of God.
KJV
13 And their brethren, heads of the house of their fathers, a thousand and seven hundred and threescore; very able men for the work of the service of the house of God.