Family: Edmund of Langley, 1st Duke of York / Isabel de Castilla (F7984)
m. 11 Jul 1372
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Male
Edmund of Langley, 1st Duke of York
Birth 5 Jun 1341 Herefordshire, England 
Death 1 Aug 1402 Herefordshire, England Burial Aug 1402 Herefordshire, England Marriage 11 Jul 1372 Herefordshire, England Father Edward Plantagenet, King of England | F4452 Group Sheet Mother Phillipa D'Avesnes Of Hainault, Queen of England | F4452 Group Sheet
Female
Isabel de Castilla
Birth 1355 Spain Christening 1355 Spain Death 23 Dec 1392 Herefordshire, England Burial 13 Jan 1393 Herefordshire, England Father Pedro De Castilla | F23592 Group Sheet Mother María De Padilla | F23592 Group Sheet
Female
+ Constance of York
Birth Abt 1375 Dorsetshire, England Death 29 Nov 1416 Dorsetshire, England Burial 1416 Berkshire, England Spouse Thomas Despenser | F9034 Marriage Spouse Edmund de Holland, 4th Earl of Kent | F9122 Marriage
Male
+ Richard of Conisbrough, 3rd Earl of Cambridge
Birth 20 Jul 1385 Yorkshire, England Death 5 Aug 1415 Southhamptonshire, England Burial 9 Aug 1415 Southhamptonshire, England Spouse Anne Mortimer, Countess of Cambridge | F8849 Marriage 23 May 1408