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 _Pierre Marie Xavier Raphaël Antoine Melchior POLIGNAC _|
| (1895 - 1964) m 1920                                    |
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|--Rainier III Louis Henri Maxence Bertrand GRIMALDI-POLGNAC 
|  (1923 - 2005)
|                                                                                                       _Albert Honoré Charles GRIMALDI _+
|                                                                                                      | (1848 - 1922) m 1869             
|                                                          _Louis II Honoré Charles Antoine GRIMALDI _|
|                                                         | (1870 - 1949)                              |
|                                                         |                                            |_Mary Victoria HAMILTON __________
|                                                         |                                              (1850 - 1922) m 1869             
|_Charlotte Louise Juliette GRIMALDI _____________________|
  (1898 - 1977) m 1920                                    |
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                                                          |_Marie Juliette LOUVET _____________________|
                                                            (1867 - 1930)                              |
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