[relationship] (2 [relationship links])
Ruth Keller [is]
[[a niece] of Frédéric Liotard].
-
[indeed,]
-
Henri Hermann Liotard
(1 [relationship link])
-
Charlotte Louise Vaucher
(1 [relationship link])
[are] [at the same time]
-
[[the parents] of Frédéric Liotard]
-
[[grand-parents] of Ruth Keller]