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

1 Chronicles 22:8

There is no Names related to this verses.

1 Chronicles 24:4

Eleazar : a son of Eliud; the father of Matthan; an ancestor of Jesus.,a chief priest; son of Aaron,son of Abinadab; caretaker of the Ark at Kiriath-Jearim,son of Dodo the Ahohite; one of David's military elite,son of Mahli the Levite,a priest who participated in the dedication of the wall,a priest under Ezra; son of Phinehas,a layman of the Parosh clan who put away his heathen wife

Ithamar : son of Aaron