Sir John Grey, Earl Tankerville

Grey Side

• Grey, Sir Thomas Knight 1359 - Aft 1400  (> 41 years)

• Grey, Sir Thomas Knight Abt 1329 - Bef 1369  (~ 40 years)
• Pressene, Margaret de Abt 1333 - Yes, date unknown

• Grey, Sir Thomas Knight Abt 1299 - Bef 1344  (~ 45 years)
• Beyle, Agnes de Abt 1303 - Yes, date unknown

Mowbray Side

• Mowbray, Joan de Abt 1363 - Aft 1402  (~ 39 years)

• Mowbray, Baron John de 1340 - 1368  (27 years)

• Mowbray, Baron John de 1310 - 1361  (50 years)
• Plantagenet, Joan Baron Mowbray Abt 1310 - 1349  (~ 39 years)