1 Chronicles 12:14-24

14 These were of the sons of Gad, captains of the host: one of the least was over an hundred, and the greatest over a thousand.
15 These are they that went over Jordan in the first month, when it had overflown all his banks; and they put to flight all them of the valleys, both toward the east, and toward the west.
16 And there came of the children of Benjamin and Judah to the hold unto David.
17 And David went out to meet them, and answered and said unto them, If ye be come peaceably unto me to help me, mine heart shall be knit unto you: but if ye be come to betray me to mine enemies, seeing there is no wrong in mine hands, the God of our fathers look thereon, and rebuke it.
18 Then the spirit came upon Amasai, who was chief of the captains, and he said, Thine are we, David, and on thy side, thou son of Jesse: peace, peace be unto thee, and peace be to thine helpers; for thy God helpeth thee. Then David received them, and made them captains of the band.
19 And there fell some of Manasseh to David, when he came with the Philistines against Saul to battle: but they helped them not: for the lords of the Philistines upon advisement sent him away, saying, He will fall to his master Saul to the jeopardy of our heads.
20 As he went to Ziklag, there fell to him of Manasseh, Adnah, and Jozabad, and Jediael, and Michael, and Jozabad, and Elihu, and Zilthai, captains of the thousands that were of Manasseh.
21 And they helped David against the band of the rovers: for they were all mighty men of valour, and were captains in the host.
22 For at that time day by day there came to David to help him, until it was a great host, like the host of God.
23 And these are the numbers of the bands that were ready armed to the war, and came to David to Hebron, to turn the kingdom of Saul to him, according to the word of the LORD.
24 The children of Judah that bare shield and spear were six thousand and eight hundred, ready armed to the war.