| | Casimir PONIATOWSKI 1897–1980 Anne Gabrielle de RIQUET 1901–1977 | | | | Pierre de RIQUET 1862–1913 | | | | Joseph Ii de RIQUET 1836–1892 Marie de MONTESQUIOU FEZENZAC 1834–1884 | | | | Joseph de RIQUET 1808–1886 Emilie PELLAPRA 1806–1871 | | |
| | | Napoléon Pierre Marie Louis Anatole de MONTESQUIOU FEZENZAC 1810–1872 Anne-Elisabeth CUILLER-PERRON 1816–1866 | | |
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| | | Mathilde LANNES de MONTEBELLO 1846–1925 | | | | Napoléon LANNES 1801–1874 Eléonore JENKINSON 1810–1863 | | |
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