Genesis 46:21

21And the sons of 46:21 Benjamin was already the father of ten sons at the time he met Joseph in Egypt. Joseph was seventeen when his brothers sold him; he was in prison thirteen years; and he had been ruler of Egypt during the seven good years and through two years of the famine. So Joseph was thirty-nine years of age at this time, and Benjamin was only a few years younger.Benjamin: Bela, Becher, Ashbel, Gera, Naaman, Ehi, Rosh, Muppim, Huppim, and Ard.