????
                     Martens, William Carl (b:1860)(d:1932)
                    |          ????
           Martens, Elvin E (b:1908)(d:1940)
          |         |                    ????
          |         |          Krueger, Gottfried (b:1825-1826)(d:)
          |         |         |          ????
          |          Krueger, Augusta Amalia (b:1866)(d:1954)
          |                   |          ????
          |                    (unknown), Henriette (b:1834-1835)(d:)
          |                              ????
 Martens, Kenneth J (b:1939)(d:)
          |                    ????
          |          Squire, George Ellsworth (b:1870)(d:1952)
          |         |          ????
           Squire, Nina Lucille (b:1919)(d:1988)
                    |          ????
                     (unknown), Nina Evelin (b:1878)(d:1925)
                               ????