So Sarai, Abram's wife, took Hagar her Egyptian maid, after Abram had dwelt ten years in the land of Canaan, and gave her to her husband Abram to be his [secondary] wife.
But to the sons of his concubines [Hagar and Keturah] Abraham gave gifts, and while he was still living he sent them to the east country, away from Isaac his son [of promise].