Genesis 15:18

18On that day the Lord made a covenant with Abram, saying, a“To your offspring I give
Or have given
this land, from cthe river of Egypt to the great river, the river Euphrates,

Joshua 15:4

4passes along to Azmon, goes out by dthe Brook of Egypt, and comes to its end at the sea. This shall be your south boundary.

Joshua 15:47

47 eAshdod, its towns and its villages; fGaza, its towns and its villages; to gthe Brook of Egypt, and hthe Great Sea with its coastline.

1 Kings 8:65

65So Solomon held ithe feast at that time, and all Israel with him, a great assembly, from jLebo-hamath to kthe Brook of Egypt, before the Lord our God, seven days.
Septuagint; Hebrew  seven days and seven days, fourteen days

Isaiah 27:12

12In that day mfrom the river Euphrates
Hebrew  from the River
to the Brook of Egypt the Lord will thresh out the grain, and you will be gleaned one by one, O people of Israel.
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