De Grey Side

• De Grey, 2nd Lord of Codnor Richard 2nd Baron Of Codnor 1281 - 1335  (54 years)

• De Grey, Henry 1st Baron 1256 - 1308  (52 years)
• De Courtenay, Eleanor Aft 1265 - 1301  (< 34 years)

• Grey, Sir John Of Heaton 1225 - 1272  (47 years)
• De Mohun, Lady Lucy Abt 1227 - 1272  (~ 45 years)
• De Courtenay, Sir Hugh Baron Of Okehampton 1250 - 1292  (41 years)
• le Despencer, Eleanor 1252 - 1328  (76 years)

Fitzpayn Side

• Fitzpayn, Joan 1281 - 1335  (54 years)

• Fitzpain, Robert Ist Baron Fitzpain 1254 - 1315  (61 years)
• Clifford, Isabel Abt 1254 - Aft 1319  (~ 66 years)

• Fitzpain, Robert 1225 - 1281  (55 years)
• De Dorset, Roberge 1235 - 1307  (72 years)
• Clifford, Sir John 1230 - Abt 1292  (62 years)
• Hereward, Margery Abt 1224 - 1303  (~ 79 years)