| Eric Guillaume Jacques Marie Roland Hersart De La Villemarque De Cornouaille | Deceased | Death | 14-6-1999 | Paris | Civil registration deaths |
| Eric Guillaume Jacques Marie Roland Hersart De La Villemarque De Cornouaille | Deceased | Death | 14-6-1999 | Paris | Civil registration deaths |
| Francoise Claude Marie Rolande Hersart De La Villemarque De Cornouaille | Deceased | Death | 13-1-2009 | Versailles, Yvelines, Île-de-France | Civil registration deaths |
| Francoise Claude Marie Rolande Hersart De La Villemarque De Cornouaille | Deceased | Death | 13-1-2009 | Versailles, Yvelines, Île-de-France | Civil registration deaths |
| Guillaume Roland Cyprien A Hersart De La Villemarque De Cornouaille | Deceased | Death | 14-2-1980 | Nantes, Loire-Atlantique, Pays de la Loire | Civil registration deaths |
| Guillaume Roland Cyprien A Hersart De La Villemarque De Cornouaille | Deceased | Death | 14-2-1980 | Nantes, Loire-Atlantique, Pays de la Loire | Civil registration deaths |
| Jeanne Cecile Marie Pierrette Hersart De La Villemarque De Cornouaille | Deceased | Death | 17-12-2021 | Mont-Saint-Aignan, Seine-Maritime, Normandie | Civil registration deaths |
| Jeanne Cecile Marie Pierrette Hersart De La Villemarque De Cornouaille | Deceased | Death | 17-12-2021 | Mont-Saint-Aignan, Seine-Maritime, Normandie | Civil registration deaths |
| Jeanne Cecile Marie Pierrette Hersart De La Villemarque De Cornouaille | Deceased | Death | 17-12-2021 | Mont-Saint-Aignan, Seine-Maritime, Normandie | Civil registration deaths |
| Roland Joseph Marie Theodore Hersart De La Villemarque De Cornouaille | Deceased | Death | 29-9-2020 | Concarneau, Finistère, Bretagne | Civil registration deaths |