 | Generation 4 - Roberto Orsini: Born - 0___ 1295 - (Italy) |
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| Generation 4 - Sueva del Balzo: Born - - (Italy) |
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| Generation 5 - Romano Orsini, Senator of Rome: Born - 0___ 1268 - (Italy) |
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| Generation 5 - Romano Orsini, Senator of Rome & Lady Anastasia de Montfort, Countess of Nola: Married - 8 Jun 1293 - (Italy) |
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 | Generation 5 - Lady Anastasia de Montfort, Countess of Nola: Born - ~ 1274 - (Siena) Italy |
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| Generation 5 - Hugues de Balzo, Count of Solena: Born - - (Italy) |
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| Generation 5 - Jacopa della Marra: Born - - (Italy) |
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 | Generation 6 - Guy de Montfort, Count of Nola: Died - 0___ 1288 - Sicily |
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 | Generation 6 - Guy de Montfort, Count of Nola & Margherita Aldobrandesca, Lady of Sovana: Married - - Tuscany, Italy |
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 | Generation 7 - Sir Simon de Montfort, V, Knight, 6th Earl of Leicester: Born - ~ 1208 - Montfort-l'Amaury, France |
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 | Generation 7 - Sir Simon de Montfort, V, Knight, 6th Earl of Leicester: Died - 4 Aug 1265 - Evesham, Worcestershire, England |
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 | Generation 7 - Sir Simon de Montfort, V, Knight, 6th Earl of Leicester: Buried - - Evesham Abbey, Evesham, Worcestershire, England |
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 | Generation 7 - Lady Eleanor of England: Born - 1215 - Gloucester, Gloucestershire, England |
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 | Generation 7 - Lady Eleanor of England: Died - 13 Apr 1275 - Montargis Abbey, France |
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| Generation 7 - Lady Eleanor of England: Buried - - Montargis Abbey, France |
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 | Generation 8 - Sir Simon de Montfort, IV, 5th Earl of Leicester: Died - 25 Jun 1218 - Touloise, France |
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 | Generation 8 - Alix de Montmorency: Born - - France |
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 | Generation 8 - Alix de Montmorency: Died - 24 Feb 1221 - (France) |
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 | Generation 8 - John I, King of England: Born - 24 Dec 1166 - Beaumont Palace, Oxford, Oxfordshire, England |
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 | Generation 8 - John I, King of England: Died - 19 Oct 1216 - Newark Castle, Nottinghamshire, England |
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 | Generation 8 - John I, King of England: Buried - 19 Oct 1216 - Worcester Cathedral, Worcester, Warwickshire, England |
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 | Generation 8 - John I, King of England & Isabelle of Angouleme, Queen of England: Married - 26 Aug 1200 - Cathedral of Bordeaux, Bordeaux, France |
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 | Generation 8 - Isabelle of Angouleme, Queen of England: Born - 1188 - Angouleme, France |
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 | Generation 8 - Isabelle of Angouleme, Queen of England: Died - 31 May 1246 - Fontevrault L'abbe, Maine-Ete-Loire, France |
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| Generation 8 - Isabelle of Angouleme, Queen of England: Buried - 31 May 1246 - Fontevrault L'abbe, Maine-Ete-Loire, France |
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