| Jean I DE DREUX "Duc de Bretagne" |
'Henry III' PLANTAGENET "King of England" (1207 - 1272) |
| Eleanor "of Provence" "Queen of England" (~1217 - 1291) |
m. 22 Jan 1260, Abbey of St. Denis, St. Denis, Ile de France, FRANCE
| John "II" de Montfort de DREUX "2nd Earl of Richmond" | Beatrice "of England" |
| b. d. bur. occ. Royalty edu. rel. cod. |
 b. 25 Jun 1242, Bordeaux, Dauphine, FRANCEd. 24 Mar 1275, London, ENGLAND bur. Grey Friars Church, Greenwich, London, ENGLAND occ. edu. rel. cod. |
Children
| Henry DE DREUX Arthur II DE MONTFORT "Duc de Bretagne" John DE DREUX "Earl of Richmond" Marie de Bretagne DE DREUX Pierre DE DREUX "Comte de Leon" Blanche DE BRETAGNE Alice DE DREUX |