[relationship] (2 [relationship links])
Paul Louis Vaucher [is]
[[a brother-in-law of Samuel Mestral].
-
[indeed,]
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Pierre Vaucher
(1 [relationship link])
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Jacqueline Braissant
(1 [relationship link])
[are] [at the same time]
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[[[the parents] of [the spouse]] of Samuel Mestral]
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[[the parents] of Paul Louis Vaucher]