1 Chronicles 19:2

Ammonites : the tribe/nation of people descended from Ben-Ammi, Lot's son,Territory of the tribe/nation of Ammon
(31° 57´, 35° 55´)

David : a son of Jesse of Judah; king of Israel,son of Jesse of Judah; king of Israel

Hanun : son and successor of Ammonite King Nahash in David's time,son of Zalaph; a repairman of the wall next to the East Gate,a repairman of the Valley Gate in the city wall

Nahash : the Ammonite that besieged Jabesh-Gilead in Saul's time,king of Ammon and King David's ally.,sister of Zeruiah, mother of Joab; grandmother of Amasa

1 Chronicles 21:13

David : a son of Jesse of Judah; king of Israel,son of Jesse of Judah; king of Israel

Gad : the tribe of Israel descended from Gad, the son of Jacob,the man; the son of Jacob and Zilpah,the tribe of Gad in Israel,a prophet and long time advisor to King David