Philippe Horace Vaucher [is]
[[[[a descendant] [of the [nth (generation)] generation] of [a [nth (cousin)] cousin]] of [the spouse]] of Jeanne-Marie Girardier].
[indeed,]
Pierre Clerc
(1 [relationship link])
Marie Vauchié
(1 [relationship link])
[are] [at the same time]
[[[ancestors (some)] [of the [nth (generation)] generation] of [the spouse]] of Jeanne-Marie Girardier]
[[ancestors (some)] [of the [nth (generation)] generation] of Philippe Horace Vaucher]