Judaism and Mormonism of priests that took place at Israel's Tabernacle, the temple of Solomon, and later temples in Jerusalem (see Exod. 28:40–42, 29:4–9, 29:20–21, 29:29–30, 30:18–21). The Hebrew Bible recounts several cases of polygamy among the ancient Hebrews. One source of polygamy was the practice of levirate marriage, wherein a man was required to marry and support his brother's widow. Ashkenazi Jewry has not practiced polygamy since Rabbenu Gershom's ban in the 11th century "except in exceptional circumstances requiring obtaining in advance the permission of 100 rabbis." Some Sephardi and Mizrahi groups, in particular those from Yemen and Iran (where polygamy is
Racism in Israel where Sephardi and Mizrahi students were sometimes excluded or segregated. In 2010, the Israeli supreme court sent a strong message against discrimination in a case involving the Slonim Hassidic sect of the Ashkenazi, ruling that segregation between Ashkenazi and Sephardi students in a school is illegal. They argue that they seek "to maintain an equal level of religiosity, not from racism". Responding to the charges, the Slonim Haredim invited Sephardi girls to school, and added in a statement: "All along, we said it's not about race, but the High Court went out against our rabbis, and therefore we went to