Thomas BEAUFORT, Count of Perche

DE BEAUFORT Side

• DE BEAUFORT, John 1st Earl of Somerset 1373 - 1410  (37 years)

• OF GAUNT, John 1st Duke of Lancaster 1340 - 1399  (58 years)
• DE RO?T, Katherine Duchess of Lancaster 1349 - 1403  (54 years)

HOLLAND Side

• HOLLAND, Margaret Duchess of Clarence 1385 - 1439  (54 years)

• HOLLAND, Thomas 2nd Earl of Kent 1350 - 1397  (47 years)
• FITZALAN, Countess Alice Abt 1352 - 1416  (~ 64 years)

• HOLLAND, Thomas 1st Earl of Kent Abt 1314 - 1360  (~ 46 years)
• Joan of Kent 1326 - 1385  (58 years)
• FITZALAN, Edmund 1327 - Bef 1382  (55 years)
• MONTAGU, Sibyl De Abt 1330 - Yes, date unknown