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In page Zipporah:

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After Moses succeeded in leading the Israelites out of Egypt, and won a battle against Amalek, Jethro came to the Hebrew camp in the wilderness of Sinai, bringing with him Zipporah and their two sons, Gershom and Eliezer. The Bible does not say when Zipporah and her sons rejoined Jethro, only that after he heard of what God did for the Israelites, he brought Moses' family to him. The most common translation is that Moses sent her away, but another grammatically permissible translation is that she sent things or persons, perhaps the announcement of the victory over Amalek.[1] The word that makes this difficult is shelucheiha, the sendings [away] of her (Ex. 18:2).[citation needed]