Asriel

the Asrielite clan from Asriel, the Shechemite clan from Shechem,

So this allotment was for the rest of the descendants of Manasseh—the clans of Abiezer, Helek, Asriel, Shechem, Hepher, and Shemida. These are the other male descendants of the clans of Manasseh son of Joseph.