Léon Joseph Billmann
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- 1 Léon Joseph Billmann [1]
- Cécile Odile Walther
- 2 Agnès Rosalie Billmann [1.1]
- 2 Jean Marie Joseph Billmann [1.2]
- 2 François Joseph Billmann [1.3]
- 2 Agnès Rosalie Billmann [1.1]