- Prince Richard Of England
Birth - about September 1376 (12 year anniversary) - Castle, Coinsbrough, Yorkshire, England - Robert de Haverington (Har
- Maud (Matilda) (Mary) Bruce
- Nigel (Neil) Bruce
Death - September 1306 (82 year anniversary) - , Berwick, NORTHUMBERLAND, England - Gratney (Gartnet) Earl Mar
- Karoly I Martel Hungary
Birth - September 1271 (117 year anniversary) - Of, Napoli, Napoli, Italy - John Fitzalan
- Marie (Jeanne) Countess Ponthieu & Montreuil]
- Isabel Plantagenet
- Luke de Poynings
Birth - about September 1231 (157 year anniversary) - Of, Poynings, Sussex, England - Robert I Count Artois
Birth - September 1216 (172 year anniversary) - , Paris, Seine, France - Alice de Harcourt
- Imre King Of Hungary
- Roger Fitzrichard
- King Of England Henry I "Beauclerc" (unknown)
Birth - September 1068 (320 year anniversary) - , Selby, Yorkshire, England - William Iii Taillefer
- Mary Plantagenet
- Baroness Catherine De Neville
- John de Grey
- Dulce Raimundez Princess Aragon
- Maurice Fitz Gerald
Death - 1 September 1177 (211 year anniversary) - Abbey Grey Friar, Welford, Berkshire, England - Swietoslawa, Princess Of Poland
- Swatawa von Polen
- Robert de Lindsay
- Balduin V. von Flandern
- Richard Duke Of Burgundy
| - Duke John "of Gaunt" England + Princess Constanza Perez Castile & Leon
Marriage - September 1371 (17 year anniversary) - , Rochefort-sur-Me, Charente-Maritim, France - Geoffrey Chaucer + Phillipa De Roet
Marriage - before September 1366 (22 year anniversary) - , London, Middlesex, England - John Mohun + Joan Burghersh
Marriage - before September 1342 (46 year anniversary) - Of, , Sussex, England - Alfonso XI Fernandez De Castilla y León + Maria Affonsez Princess Portugal
- Louis I "Le Bourbon + Marie D' Avesnes Hainault
Marriage - September 1310 (78 year anniversary) - , Pontoise, Seine-Et-Oise, France - Jean I D' Avesnes + Aleida Countess Of Holland
Marriage - September 1246 (142 year anniversary) - Frankfort Am Main, Hessen-Nassau, Prussia - Godefroy d'Avesnes I Carpentier + Aleida (unknown)
- Richard de Clare + Margaret Burgh
Marriage - about September 1236 (152 year anniversary) - St Edmund's, Wexford, Ireland - Bretislav Ii, Duke Bohemia + Luitgard Countess Of Windberg
- George Cantilupe + Margaret Lacy
- Renaud I Count Palatine Of Burgundy + Adelais (Judith), Princess Normandy
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