│          │ +
Heinrich Diedrich Carl Ludwig (Charles) Grussendorf
(May 1859 Hanover, Lower Saxony, Germany -
         │          │ : 8 Aug 1944 New Ulm, Brown County, Minnesota, USA)
         │          │ +
         │          │ +
Wilhelmina Rieke
(Dec 1865 West Newton, Nicollet County, Minnesota, USA - 15 Apr 1939 Renville County, Minnesota, USA)
         │          │ +
Carolina (Lena) Dohrman
(31 May 1870 Hanover, Lower Saxony, Germany - ??)
         │          │ +
Lisette Rieke
(18 May 1869 West Newton, Nicollet County, Minnesota, USA - 20 Jul 1917 New Ulm, Brown County, Minnesota, USA)
         │           +
Paulina (Lena) Wellner
(5 Apr 1877 Nicollet County, Minnesota, USA - 10 Jun 1965 New Ulm, Brown County, Minnesota, USA)
         │                    ├─ Edwin Arthur Durbahn
(1 May 1887 Lafayette, Nicollet County, Minnesota, USA -
         │                    │ 22 Oct 1960 New Ulm, Brown County, Minnesota, USA)
=>
         │                    │ +
Bertha B Lieb
(29 May 1888 Brown County, Minnesota, USA - 6 Feb 1978 Minneapolis, Hennepin County, Minnesota, USA)