David Gravelle
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- 1 David Gravelle [1]
- Rolande M. Guérin
- 2 Bernard Gravel [1.1]
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- 2 Joseph Henri David Hector Gravelle [1.2] b. 19 Jun 1921
- 2 Joseph Olivier Charles Paul Gravelle [1.3] b. 16 Sep 1922
- 2 Bernard Gravel [1.1]