[relationship] (2 [relationship links])
Colette Sack [is]
[a sister-in-law] of Ernest Henry Vaucher].
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[indeed,]
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Henri Vaucher
(1 [relationship link])
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Julia Schaffroth
(1 [relationship link])
[are] [at the same time]
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[[the parents] of Ernest Henry Vaucher]
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[[[the parents] of [the spouse]] of Colette Sack]