Exodus 17:1-2

Israel : a citizen of Israel.,a member of the nation of Israel

Moses : a son of Amram; the Levite who led Israel out of Egypt and gave them The Law of Moses,a Levite who led Israel out of Egypt and gave them the law

Rephidim : an encampment where water came out of a rock for Israel
(28° 43´, 33° 50´)

Sin : a wilderness region between Elim and Mt. Sinai (IBD)
(28° 50´, 33° 25´); (28° 50´, 33° 25´); (30° 41´, 34° 29´); (30° 41´, 34° 29´)