Mary Jean Northberg
1912 - 1982 (69 years)
Generation: 1
Generation: 2
Generation: 3
1. Mary Jean Northberg was born on 14 Jun 1912 in Chicago, Cook County, Illinois, USA; died on 16 Jan 1982 in Woodstock, McHenry County, Illinois, USA. Mary married Oliver Henry Leonhard on 30 Apr 1949 in Lake Geneva, Walworth County, Wisconsin, USA. Oliver (son of John P. Leonhardt, Sr. and Ella Augusta Emma Schoelzel) was born on 11 Dec 1913 in Cleveland, Manitowoc County, Wisconsin, USA; died on 4 May 1978 in Woodstock, McHenry County, Illinois, USA; was buried on 7 May 1978 in Oak Hill Cemetery, Lake Geneva, Walworth County, Wisconsin, USA. [Group Sheet] [Family Chart]
Children:
Generation: 2
2. Mary Jean Leonhard 
(1.Mary1)Family/Spouse: Norbert Knolle. [Group Sheet] [Family Chart]
Children:
- 3. Kathryn Knolle
- 4. Kristine Knolle
- 5. Kevin O. Knolle was born on 1 Nov 1961 in Harvard, McHenry County, Illinois, USA; died on 15 Jan 1982 in Hebron, McHenry County, Illinois, USA; was buried on 19 Jan 1982 in Oak Hill Cemetery, Lake Geneva, Walworth County, Wisconsin, USA.
- 3. Kathryn Knolle
Generation: 3
3. Kathryn Knolle (2.Mary2, 1.Mary1)4. Kristine Knolle (2.Mary2, 1.Mary1)5. Kevin O. Knolle (2.Mary2, 1.Mary1) was born on 1 Nov 1961 in Harvard, McHenry County, Illinois, USA; died on 15 Jan 1982 in Hebron, McHenry County, Illinois, USA; was buried on 19 Jan 1982 in Oak Hill Cemetery, Lake Geneva, Walworth County, Wisconsin, USA.