Margaret De Clare

Lord Thomond Side

• Lord Thomond, Thomas De Clare 1247 - 1287  (43 years)

• Earl Of Gloucester & Hertford, Richard De Clare 1222 - 1262  (39 years)
• Cts De Lincoln, Maude De Lacy 1223 - 1288  (64 years)

• Earl Of Gloucester & Hertford, Gilbert De Clare 1182 - 1230  (50 years)
• Marshal, Isabella 1200 - 1240  (38 years)
• Earl Of Lincoln, John De Lacy 1192 - 1240  (48 years)
• De Quincy, Margaret 1208 - 1258  (50 years)

Fitzgerald Side

• Fitzgerald, Juliane Fitzmaurice Of Offaly 1266 - 1309  (51 years)

• Baron Offaly, Maurice Fitzmaurice 1250 - 1286  (48 years)
• LongespÈe, Emmeline 1250 - 1291  (41 years)

• Baron Offaly, Maurice Fitzgerald Justicular 1194 - 1257  (67 years)
• De Cogan, Juliane 1195 - 1257  (62 years)
• Earl Of Ulster, Stephen LongespÈe 1216 - 1260  (44 years)
• De Riddlesford, Emmeline Of Ulster 1223 - 1276  (55 years)