Family: Gérard Gravelle / Murielle Séguin (F20472)
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 | Mozart Gravelle (1901-1976)
|
 | Lauria Robert (1900-2017)
|
 | Jean-Marie Gravelle (1929-2017) |
| Roland Gravelle ( -2017) |
| Robert Gravelle ( -2017) |
| Murielle Séguin ( -2017) |