Presumably the name is descended from Swangowe, but possible genetic origins in a northern Italian family named Paumgarten or Baumgarten who bought the right to use the name from the Bavarian State after the death of Hiltbolt of Schwangau..
It is likely that the name comes from Swangowe, but possible genetic origins may be in a northern Italian family named Paumgarten or Baumgarten who purchased the right to use the name from the Bavarian State after Hiltbolt of Schwangau's death.