[relationship]

Marie Reine LEDUCQ [is] [[a half-sister] of Marie Reine Angélique Joseph LEDUCQ].

• [indeed,]
  • Théodore LEDUCQ (1 [relationship link]).
  [is] [at the same time]
  • [ 父 of Marie Reine Angélique Joseph LEDUCQ]
  • [ 父 of Marie Reine LEDUCQ]

[total]: 1 [relationship link]