[relationship]

Pierre Charles BOURLET [is] [[a half-brother] of Étienne Joseph BOURLET].

• [indeed,]
  • Michel BOURLET (1 [relationship link]).
  [is] [at the same time]
  • [ 父 of Étienne Joseph BOURLET]
  • [ 父 of Pierre Charles BOURLET]

[total]: 1 [relationship link]