According to Jewish belief, from which of the following people did all Israelites descend?

The Israelites are the ethnic stock from which modern Jews and Samaritans originally trace their ancestry. Modern Jews are named after and also descended from the southern Israelite Kingdom of Judah, particularly the tribes of Judah, Benjamin, Simeon and partially Levi.

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worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)