 |  |  |  |  | | 0 | 7 Sep 1917 | Dundee Township, Monroe County, Michigan. He was the second of three children of Lena (Heiden) and John Koster, Jr. |  |  | | 4 | 1921 | Violet E. Keck was born |  |  | | 19 | 1936 | Dundee High School, Dundee, Monroe County, Michigan. |  | | 20 | 23 Jan 1938 | Harold married Violet E. Keck in Raisinville Township, Monroe County, Michigan. |  |  | | 45 | 1 July 1962 | John Koster, Jr died at the age of 82 in Toledo, Ohio |  |  | | 56 | 14 Mar 1973 | Violet E. Keck died at the age of 52 in Lucas County, Ohio |  | | 56 | 18 June 1973 | Lena Koster died at the age of 91 at the home of Marvin Koster in Raisinville Township, Monroe County, Michigan. |  |  | | 66 | 14 June 1984 | Lake Park Nursing Home in Sylvania, Ohio |  |  | 17 June 1984 | Maple Grove Cemetery, Dundee, Monroe County, Michigan. |  |  | | | |