Genesis 15:1-13

Abram : the son of Terah of Shem

Damascus : a city-state in Syria, located near Mt. Hermon at the edge of the Syrian desert (OS),a town near Mt. Hermon at the edge of the Syrian desert (OS)
(33° 31´, 36° 18´)

Eliezer : a son of Jorim; the father of Joshua; an ancestor of Jesus,Abraham's servant from Damascus,son of Moses,son of Becher son of Benjamin,a priest in David's time,son of Zichri; David's chief officer over the Reubenites,son of Dodavahu of Mareshah who prophesied against Jehoshaphat.,one of the leaders Ezra sent to Iddo to ask for recruits,a priest of the Jeshua clan who put away his heathen wife,a man who put away his heathen wife; a Levite,a layman of the Harim clan who put away his heathen wife

Ur : a town of lower Mesopotamia about 230 km SE of old Babylon,father of Eliphal / Eliphelet, one of David's military elite
(30° 57´, 46° 6´)