Kejadian 18:11

Abraham : a son of Terah; the father of Isaac; ancestor of the Jewish nation.,the son of Terah of Shem

Sara : the wife of Abraham and the mother of Isaac,daughter of Terah; wife of Abraham

Kejadian 18:20

Gomora : an ancient city known for its sin whose ruins are said to be visible from the Masada,a town destroyed with Sodom by burning sulphur
(31° 9´, 35° 28´)

Sodom : an ancient town somewhere in the region of the Dead Sea that God destroyed with burning sulphur,a town 25 km south of Gomorrah and Masada
(31° 11´, 35° 23´)

Kejadian 20:8

Abimelekh : the King of Gerar of Abraham's time,the son of Gideon,king of Gath

Ahimelekh : priest (Eli Ithamar) of Nob, whom Saul killed; Ahimelech I,a priest, Ahimelech II; son of Abiathar son of Ahimelech I,a man who was part of David's fugitive band; a Hittite