The border of the children of Ephraim according to their families was [thus]: the border of their inheritance eastward was Ataroth Addar, to Beth Horon the upper;
When this ambitious and arrogant tribe rebelled against the house of David and took away the northern ten tribes, they usurped the name "Israel" as pertaining to themselves, but the prophets consistently referred to the Northen "Israel" as Ephraim, that name being applied no less than 37 times in the prophecy of Hosea alone!