Keturah

Keturah was a wife of Abraham. Abraham married Keturah after the death of Sarah. She had six children with Abraham, whose names are Zimran, Jokshan, Medan, Midian, Ishbak, Shuah (Gen 25:1-2). Rashi (Shlomo Yitzchaki) said that Keturah was actually Hagar known by another name.https://www.chabad.org/parshah/article_cdo/aid/4171660/jewish/Who-Was-Keturah-and-Why-Did-Abraham-Marry-Her.htm

 References 

Category:Old Testament people