Brown Driver Briggs

 Manasseh = "causing to forget"
1. the eldest son of Joseph and progenitor of the tribe of Manasseh
  1) the tribe descended from Manasseh
  2) the territory occupied by the tribe of Manasseh
2. son of king Hezekiah of Judah and himself king of Judah; he was
the immediate and direct cause for the exile
3. a descendant of Pahath-moab who put away a foreign wife in the time
of Ezra
4. a descendant of Hashum who put away a foreign wife in the time of Ezra