[relationship]

Jean Philippe GONTHIER [is] [[a brother-in-law of Christine Catherine MARTIN].

• [indeed,]
  • Charles Louis CATTELAIN (1 [relationship link]).
  • Marie Madeleine (Madelon) Véronique MALFUSON (1 [relationship link]).
  [are] [at the same time]
  • [[[the parents] of [the spouse]] of Christine Catherine MARTIN]
  • [[[the parents] of [the spouse]] of Jean Philippe GONTHIER]

[total]: 2 [relationship links]