Relationship (2 relationships)
Marie Thérèse Leblanc is
a sister-in-law of Jean La Vallée.
-
Indeed,
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Pierre La Vallée
(1 relationship)
-
Madeleine Du Mesnil
(1 relationship)
are at the same time
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the parents of Jean La Vallée
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the parents of the spouse of Marie Thérèse Leblanc