BEAUFORT, John 1st Earl of Somerset

PLANTAGENET Side

• PLANTAGENET, John 1st Duke of Lancaster 1340 - 1398  (57 years)

• PLANTAGENET, Edward III King of England 1312 - 1377  (64 years)
• Philippa de Avenes, Queen Of England 1310 - 1369  (59 years)

• PLANTAGENET, Edward II of Caernarvon, King of England 1284 - 1327  (43 years)
• Isabella Princess of France 1295 - 1358  (63 years)
• Willem III de Avesnes Abt 1280 - 1337  (57 years)
• Jeanne de Valois Abt 1294 - 1342  (48 years)

SWYNFORD Side

• SWYNFORD, Katherine Duchess of Lancaster 1350 - 1403  (52 years)

• Sir Knight Payne de Roet Abt 1310 - Yes, date unknown
• Catherine de Hainault 1320 - Yes, date unknown

• Willem III de Avesnes Abt 1280 - 1337  (57 years)
• Jeanne Countess of Valois 1304 - 1342  (38 years)