Isabella De Ferrers

Ferrers Side

• Ferrers, William Earl of Derby ( Abt 1199 - 1254  (~ 55 years))

• Ferrers, William De [Earl of Derby] ( Abt 1161 - 1247  (~ 86 years))
• Meschines, Agnes De ( Abt 1173 - 1247  (~ 74 years))

• Ferrieres, William De [Earl of Derby] ( Abt 1139 - Aft 1189  (~ 50 years))
• Braose, Sybil De ( Abt 1156 - Aft 1227  (~ 71 years))
• Chester, Hugh "Kevelioc", Earl ( 1146 - 1181  (35 years))
• Montfort (Evreux, Bertrade De ( Abt 1154 - 1189  (~ 35 years))

Marshall Side

• Marshall, Sibyl ( 1208 - 1245  (37 years))

• Marshall, William [Earl] ( 1143 - 1219  (76 years))
• Clare, Isabel De [Countess] ( Abt 1170 - 1219  (~ 49 years))

• Fitzgilbert, John "The Marshall" ( Abt 1125 - 1163  (~ 38 years))
• Salisbury, Sibilla (Sibyl) De ( Abt 1126 - 3 Jun)
• Fitzgilbert, Richard (Strongbow) [Earl of Pembrok ( Abt 1124 - 1176  (~ 52 years))
• McMurrough, Aoife (Eve) [Countess] ( Abt 1144 - 1176  (~ 32 years))