1 Chronicles 11:20

Abishai : the son of Zeruiah, David's sister; brother of Joab

Joab : son of Zeruiah, David's sister; commander of King David's army,son of Seraiah son of Kenaz of Judah; grand nephew of Caleb of Moses' time,a man whose descendants returned from exile in Babylon,ancestor of a family group who returned from exile headed by Obadiah the son of Jehiel

1 Chronicles 20:5

Elhanan : son of Jaare-Oregim "the Bethlehemite", or Jair,son of Dodo of Bethlehem; one of David's military elite

Gittite : resident(s) of the town of Gath
(31° 41´, 34° 50´)

Goliath : a Philistine giant from Gath,a Philistine giant from Gath killed by Elhanan.

Jair : son of Segub son of Hezron of Judah,a man of Gilead who judged Israel twenty-two years,son of Shime-i son of Kish of Benjamin; father of Mordecai,the father of Elhanan, who slew Lahmi the brother of Goliath
(32° 2´, 35° 43´); (32° 2´, 35° 43´)

Lahmi : brother of Goliath; the Gittite whom Elhanan killed

Philistines : a sea people coming from Crete in 1200BC to the coast of Canaan
(33° 33´, 35° 21´)

1 Chronicles 11:11

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

Hachmonite : a member of the clan of Hachmoni

Jashobeam : son of Zabdiel; a Hachmonite (Perez Judah); an elite soldier,one of the Benjamite men who defected to David at Ziklag