[relationship]

Joseph Ferdinand MAIRESSE [is] [[a brother] of Pierre Joseph François MAIRESSE].

• [indeed,]
  • Pierre Henri Joseph MAIRESSE (1 [relationship link]).
  • (Anne) Marie Françoise DELATT(R)E (1 [relationship link]).
  [are] [at the same time]
  • [[the parents] of Pierre Joseph François MAIRESSE]
  • [[the parents] of Joseph Ferdinand MAIRESSE]

[total]: 2 [relationship links]