| Male Geoffrey (Archbishop of York) Plantagenet |
| Birth | 1158 | Westminster, Middlesex, , England |
| Death | 1186 | Notredameduparc, Seine-Maritime, Haute-Normandie, France |
| Burial | ||
| Marriage | Jul 1181 | Westminster Abbey, Westminster, London, Middlesex, England |
| Father | HENRY II (KING OF ENGLAND) Plantagenet | F1358 Group Sheet | |
| Mother | Eleanor Acquitaine (maid. name Duchess of Aquitaine Queen of France Queen of England) | F1358 Group Sheet | |
| Female Constance of Brittany Penthievre |
| Birth | 12 Jun 1166 | Rennes, Ille-et-Vilaine, Bretagne, France |
| Death | 5 Sep 1201 | Nantes, Loire-Atlantique, Pays de la Loire, France |
| Burial | ||
| Other Spouse | Guy Baillistre de Thouars Duke de Bretagne | F2829 | |
| Marriage | 1199 | Anjou, Isere, Rhone-Alpes, France |
| Other Spouse | Ranulph (6th Earl of Chester) MESCHINES | F2830 | |
| Marriage | 1188 | Bretagne, Brittany, France |
| Father | Conan II 'Le Petit' 'The Small' Count de Penthievre Duke Bretagne | F2828 Group Sheet | |
| Mother | Margaret Marjorie Huntingdon Princess Scotland | F2828 Group Sheet | |
| Female Maud Matilda Brittany Plantagenet |
| Birth | 1185 | Bretagne, France |
| Death | 1189 | Bretagne, France |
| Burial |
| Male Arthur I (Duke of Brittnay and 4th Earl of Richmond) Plantagenet |
| Birth | 29 Mar 1187 | Nantes, , Bretagne, France |
| Death | 1203 | Rouen, imprisoned and suspected murdered by William de brose on the orders of king john |
| Burial |
| Female Eleanor PLANTAGENET |
| Birth | , Paris, Ile-de-France, France |
|
| Death | 10 Aug 1241 | Imprisioned by king john and died in Corfe Castle, Dorset, , England |
| Burial |