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Guido Brandolini d'Adda, Conte di Valmareno was born 23 February 1990 in Neuilly-sur-Seine, Hauts-de-Seine, Île-de-France, France to Brandolino Brandolini d'Adda (1957-) and Marie Angliviel de la Baumelle (1953-2013) .
Siblings
| Name | Birth | Death | Joined with |
| Guido Brandolini d'Adda (1990-) | 23 February 1990 Neuilly-sur-Seine, Hauts-de-Seine, Île-de-France, France | ||
| Marcantonio Brandolini d'Adda (1991-) | 8 July 1991 Neuilly-sur-Seine, Hauts-de-Seine, Île-de-France, France | ||
| Gioacchino Brandolini d'Adda (2000-) | 6 September 2000 | ||