Geoffrey of England (23 September 1158-19 August 1186), Duke of Brittany |
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| Father:1 | Henry II (5 March 1133-6 July 1189), King of England | ||
| Mother:2 | Eleonore d'Aquitaine (1122-1 April 1204), Dss d’Aquitaine | ||
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| Betrothed:3 | 1166 | Constance de Bretagne (1161-3/4 September 1201), Dss of Brittany | |||
| Betrothed:4 | 1168 | Constance de Bretagne (1161-3/4 September 1201), Dss of Brittany | |||
| Married:5 | July 1181 | Constance de Bretagne (1161-3/4 September 1201), Dss of Brittany | |||
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| Children with Constance de Bretagne: | ||
| Mathilde de Bretagne (around 1182/83 or 1185-before May 1189)6 | ||
| Eleonore de Bretagne (1184-1241)7 | ||
| Arthur I (29 March 1187-3 April 1203), Duke of Brittany8 | ||
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| Occupation:9 | Earl of Richmond | ||||
| Occupation:10 | 1169-86 | Duke of Brittany | |||
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| Buried:11 | Notre-Dame de Paris [building], Paris [city/town], Île-de-France [county], France [country] | |||
| Born:12 | 23 September 1158 | |||
| Died:13 | 19 August 1186 | Paris [city/town], Île-de-France [county], France [country] | ||
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| certainly | The information is supported by primary sources. |
| probably | The information is supported by secondary sources which is most likely based on primary sources. |
| possibly | It is unclear if the secondary source cited is based on primary sources, or the information is an assumption well supported by other evidence. |
| likely | The information is only found in secondary sources with questioned quality, or there is a reason to suspect the information is wrong. Or the information is a likely assumption based on other evidence. |
| apparently | The information is doubtful and poorly documented, but still most likely correct. |
| perhaps | The information might be correct or it might be wrong. It is not supported by any trustworthy sources. It might me an assumption. |
| disproved | The information is proven to be wrong. |