World of HYDE
Discovering our Ancestors and their descendants to all parts of the world. Last updated 15th March 2026.
Family: Earl of Lancaster Eart Edmund Plantagenet, 1st Earl Of Lancaster / Blanche Dartois, Reine De Navarre (F27720)
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Male
Earl of Lancaster Eart Edmund Plantagenet, 1st Earl Of Lancaster
Birth 16 Jan 1245 London, Middlesex, Englalnd 
Christening Jan 1245 London, Middlesex, Englalnd Death 5 Jun 1296 Bayonne, Departement Des Pyrénées-Atlantiques, Aquitaine, France Burial 15 Jul 1296 Westminster, Middlesex, England Marriage Father King Henry Plantagenet, III Of England | F39789 Group Sheet Mother Eleanor De Provence | F39789 Group Sheet
Female
Blanche Dartois, Reine De Navarre
Birth 1248 Arras-En-Lavedan, Hautes-Pyrénées, MIDI-Pyrénées, France Death 2 May 1302 Paris, Seine, France Burial 1302 Paris, Île-De-France, France Other Spouse Henri I. De Navarre, Roi De Navarre | F27752 Marriage 1269 Father Robert, I. Count Of Artois | F27742 Group Sheet Mother Mathilde De Brabant | F27742 Group Sheet
Male
Thomas Plantagenet, 2nd. Earl Of Lancaster
Birth 1277 Grosmont, Monmouthshire, Wales Death 22 Mar 1322 Pontefract, Yorkshire, England Burial Mar 1322 Saint John's Priory, Pontefract, Yorkshire, England Spouse Alice De Lacy | F81275 Marriage Bef 28 Oct 1294 Yorkshire, England
Male
Henry Plantagenet, III Earl Of Lancaster
Birth 1 Nov 1281 Grosmont, Monmouthshire, Wales Death 22 Sep 1345 Leicester the Castle View, Leicestershire, England Burial Sep 1345 Leicester, Leicestershire, England, United Kingdom Spouse Finovola Ocathan MacDonald | F5154 Marriage Abt 1306 Scotland, United Kingdom Spouse Maud De Chaworth | F63839 Marriage Bef 2 Mar 1296 Kidwelly, Carmarthenshire, Wales
Male
Lord John Plantagenet de Beaufort
Birth 14 May 1286 Grismond Castle, Monmouthshire, Wales Death Jun 1317 Beaufortaquitaine, France Burial Beaufortaquitaine, France Spouse Alix De Joinville | F83055 Marriage Bef Jul 1312 France
Female
Mary Plantagenet
Birth Abt 1288 Grismond Castle, Monmouthshire, Wales Death Abt 1295 France Burial