[relationship]

Jean François LEDUCQ [is] [[a brother] of Ferdinand Joseph LEDUCQ].

• [indeed,]
  • Théodore LEDUCQ (1 [relationship link]).
  • Marie Reine MILLOT (1 [relationship link]).
  [are] [at the same time]
  • [[the parents] of Ferdinand Joseph LEDUCQ]
  • [[the parents] of Jean François LEDUCQ]

[total]: 2 [relationship links]