Genesis 18:1-33

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

Gomorrah : 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´)

Mamre : a place where Abraham camped, probably a few km north of Hebron,an Amorite chief who was Abraham's ally, with Eshcol and Aner
(31° 32´, 35° 5´)

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

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´)

Genesis 11:22

Nahor : a son of Serug; the father of Terah; an ancestor of Jesus.,son of Serug of Shem; father of Terah,son of Terah; brother of Abraham,town in Mesopotamia

Serug : the father of Nahor; a son of Reu; an ancestor of Jesus,son of Reu of Shem

Genesis 13:1

Abram : the son of Terah of Shem

Egypt : descendants of Mizraim
(30° 6´, 31° 20´); (30° 6´, 31° 20´)

Lot : a son of Haran; nephew of Abraham,son of Haran son of Terah; nephew of Abraham

Negeb : geographical region: South country
(30° 17´, 34° 12´)

Genesis 23:1

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

Genesis 25:12

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

Egyptians : descendants of Mizraim
(30° 6´, 31° 20´); (30° 6´, 31° 20´)

Hagar : wife of Abraham used figuratively of her son Ishmael and his descendants,Sarah's Egyptian maid

Ishmael : son of Abraham and Hagar,father of Zebadiah, governor of Judah under Jehoshaphat,son of Azel of Benjamin,son of Jehohanan,a priest of the Pashur clan who put away his heathen wife,son of Nethaniah; a militia leader who assasinated Gedaliah

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