John G. and Gepke Johnson Mamminga were the parents of three sons serving their country in World War II:
Reinder Mamminga was born Apr. 23, 1905. He died Mar. 1987 and is buried in Evergreen Cemetery, Jewell, IA.
Reinder served with the U.S. Army in World War II with Co. B, 581st Sig. AW Battalion.
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Carl Edward Mamminga was born Apr. 12, 1917. He died Dec. 25, 2005 and is buried in the First Presbyterian Church Cemetery, Kamrar, IA.
Pvt. Mamminga served with the U.S. Army in World War II.
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Milton Milford Mamminga was born Feb. 25, 1921. He died Sept. 2, 1997 and is buried in the First Presbyterian Church Cemetery, Kamrar, IA.
MIlton served with the U.S. Navy in World War II.
Source: ancestry.com
