????
                     Clementson, Peter (b:)(d:)
                    |          ????
           Petersen, William E (b:1871)(d:1928)
          |         |          ????
          |          Jensen, Mary (b:)(d:)
          |                    ????
 Petersen, Everett Jerome (b:1920)(d:2006)
          |                              ????
          |                    Jorgensen, Anders (b:)(d:)
          |                   |          ????
          |          Anderson, George (b:1842)(d:1912)
          |         |         |          ????
          |         |          Larssen, Mary (b:)(d:)
          |         |                    ????
           Anderson, Mary H (b:1880)(d:1979)
                    |          ????
                     Nielson, Caroline (Carrie) (b:1844)(d:1920-1930)
                               ????