Oliver R Van Krevelen
1901 - 1972 (70 years)(
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- 1 Oliver R Van Krevelen [1] b. 27 Mar 1901 d. 7 Jan 1972
- Mildred _____ b. Abt 1901
- 2 Thomas O Van Krevelen [1.1]
- 2 Thomas O Van Krevelen [1.1]