The Torah Math ProjectChayei Sarah: Yishmael Posted on December 15, 2021December 24, 2021 by Editorial Team Yishmael lived to 137 [Bereishis 25:17]. Question: How old was Yaakov when Yishmael died? Answer: 137 – 14 = 123 years old Editorial Team Lech Lecha: Yitzchak and Yaakov Ve’yeitze: Yaakov’s Marriage and Children