????
                     Maertz, Charles (b:1821)(d:1914)
                    |          ????
           Maertz, Vincent C (b:1862-1863)(d:)
          |         |          ????
          |          Hajek, Josephina (b:1821)(d:1894)
          |                    ????
 Maertz, Agnes Anna (b:1886)(d:1887)
          |          ????
           Birgermeister, Teresa (b:1863)(d:1887)
                     ????