Verses with the word ephraim's in the Old Testament (4 verses):

Genesis 48:14
And Israel stretched out his right hand, and laid it upon Ephraim's head, who was the younger, and his left hand upon Manasseh's head, guiding his hands wittingly; for Manasseh was the firstborn.

Genesis 48:17
And when Joseph saw that his father laid his right hand upon the head of Ephraim, it displeased him: and he held up his father's hand, to remove it from Ephraim's head unto Manasseh's head.

Genesis 50:23
And Joseph saw Ephraim's children of the third generation: the children also of Machir the son of Manasseh were brought up upon Joseph's knees.

Joshua 17:10
Southward it was Ephraim's, and northward it was Manasseh's, and the sea is his border; and they met together in Asher on the north, and in Issachar on the east.