Joshua 17:9-10

9Then the boundary continued south to the Kanah Ravine. There were towns belonging to Ephraim lying among the towns of Manasseh, but the boundary of Manasseh was the northern side of the ravine and ended at the Mediterranean Sea.

10On the south the land belonged to Ephraim, on the north to Manasseh. The territory of Manasseh reached the Mediterranean Sea and bordered Asher on the north and Issachar on the east.