[relationship] (2 [relationship links])
Ernest Keller [is]
[[a brother-in-law of Marie Liotard].
-
[indeed,]
-
Henri Hermann Liotard
(1 [relationship link])
-
Charlotte Louise Vaucher
(1 [relationship link])
[are] [at the same time]
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[[the parents] of Marie Liotard]
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[[[the parents] of [the spouse]] of Ernest Keller]