Family: 3rd Earl of Ulster, 1st Lord Burgh William de Burgh / Lady Matilda of Lancaster Plantagenet (F16053349438)

John de Burgh (1290-1313)

11th Lady of Clare Elizabeth de Clare (1295-1360)

 

 

Earl of Leicester, 3rd Earl of Lancaster, Lord of Beaufort and Nogent Henry Plantagenet (1281-1345)

Matilda de Chaworth (1282-1322)

 

 

Earl of Derby, Earl of Leicester, Lord of Beaufort and Nogent, Earl of Lancaster, Earl of Lincoln, 1st Duke of Lancaster, Earl of Moray Sir Henry Grosmont of Derby Plantagenet (1299-1361)

Lady Blanche Plantagenet (1305-1380)

Lady Joan Plantagenet (1312-1345)

Lady Eleanor Plantagenet (1311-1372)

Prioress of Amesbury Isabella Plantagenet (1317-1347)

Lady Mary Plantagenet (1320-1362)

Lady Matilda of Lancaster Plantagenet (1310-1377)

Family with Ralph De Ufford

3rd Earl of Ulster, 1st Lord Burgh William de Burgh (1312-1333)

Countess of Ulster, 12th Lady of Clare Lady Elizabeth de Burgh (1332-1363)