So Abram moved his tent and came and settled by the oaks of Mamre, which are at Hebron, and there he built an altar to the Lord. - Genesis 13:18
Mamre the Amorite
Abram lived by the oaks of Mamre from time to time. Mamre's brothers were Eshcol and Aner, and they were all his allies. When word came that Lot was captured during the War of Nine Kings, Mamre joined Abram to rescue him. (Genesis 14)
The oaks of Mamre
The oaks of Mamre are in Hebron. (Genesis 13:18)
The field of Ephron in Machpelah, which was to the east of Mamre
The burial place of Sarah, purchased by Abraham from Ephron the Hittite. (Genesis 23)