[relationship]

Joséphine GONTHIER [is] [[a sister] of Isaac GONTHIER].

• [indeed,]
  • Jean Philippe GONTHIER (1 [relationship link]).
  • Marie Louise Célestine CATTELAIN (1 [relationship link]).
  [are] [at the same time]
  • [[the parents] of Isaac GONTHIER]
  • [[the parents] of Joséphine GONTHIER]

[total]: 2 [relationship links]