f a m i l y Children with: Alta Koch Children: Mary Campbell Calvin Campbell Calvin Arthur Tink Campbell Born: 15 Dec 1902, Bay City, MI Married 26 Jun 1929, Detroit, MI, to Alta Koch Died: 21 Apr 1988, Midland, MI Occupation: Dow Chemical Co. Vice President Photos: DeWaele family, 1908 Emily & Calvin Jr, 1915

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