[relationship]

Jean Baptiste GONTHIER [is] [[a brother-in-law of Jean Baptiste CATTELAIN].

• [indeed,]
  • Nicolas Joseph GONTHIER (1 [relationship link]).
  • Jeanne Marie Catherine MARTIN (1 [relationship link]).
  [are] [at the same time]
  • [[[the parents] of [the spouse]] of Jean Baptiste CATTELAIN]
  • [[the parents] of Jean Baptiste GONTHIER]

[total]: 2 [relationship links]