Keturah

"Incense, the wife of Abraham, whom he married probably after" "Sarah's death (Gen. 25:1-6), by whom he had six sons, whom he" sent away into the east country. Her nationality is unknown. She "is styled "Abraham's concubine" (1 Chr. 1:32). Through the" "offshoots of the Keturah line Abraham became the "father of many" "nations."

Definition of Keturah:
"that makes the incense to fume"