Matrilineal Descent
From: Nathan Dear Rabbi, What is the source of matrilineal descent in Judaism? Dear Nathan, The Mishna (Kidushin 66b) states that if a child’s mother is not Jewish, the child is not Jewish. The ensuing Gemora (Kidushin 68b) explains that this is derived from a verse within the Torah’s prohibition of intermarriage: “And you shall[…]