Biography of William Ferrers 5th Earl of Derby 1193-1254

In or before 1193 [his father] William Ferrers 4th Earl of Derby (age 25) and [his mother] Agnes Gernon Countess Derby were married. She the daughter of Hugh de Kevelioc Gernon 5th Earl Chester 1147-1181 and Bertrade Montfort Countess Chester. He the son of William Ferrers 3rd Earl of Derby 1136-1190 and Sybil de Braose Countess Derby 1157-1228 (age 35). She a great x 2 granddaughter of King Henry I "Beauclerc" England.

Before 1221 William de Braose (age 17) and [his future sister-in-law] Eva Marshal (age 17) were married. She the daughter of William Marshal 1st Earl Pembroke and Isabel Clare Countess Pembroke.

Before 1226 William Ferrers 5th Earl of Derby (age 33) and Sibyl Marshal (age 24) were married. She the daughter of William Marshal 1st Earl Pembroke and Isabel Clare Countess Pembroke. He the son of William Ferrers 4th Earl of Derby (age 57) and Agnes Gernon Countess Derby. He a great x 3 grandson of King Henry I "Beauclerc" England.

Before 1230 Warin Munchensi and [his sister-in-law] Joan Marshal (age 19) were married. She the daughter of William Marshal 1st Earl Pembroke and Isabel Clare Countess Pembroke.

In 1238 William Ferrers 5th Earl of Derby (age 45) and Margaret Quincy Countess Derby were married. She the daughter of Roger de Quincy 2nd Earl Winchester (age 43) and . He the son of William Ferrers 4th Earl of Derby (age 70) and Agnes Gernon Countess Derby. They were first cousin twice removed. He a great x 3 grandson of King Henry I "Beauclerc" England. She a great x 5 granddaughter of King Henry I "Beauclerc" England.

In or before 1243 [his son-in-law] Reginald Mohun (age 37) and [his daughter] Isabel Ferrers (age 16) were married. The difference in their ages was 20 years. She the daughter of William Ferrers 5th Earl of Derby 1193-1254 (age 49) and Sibyl Marshal (age 41). She a great x 4 granddaughter of King Henry I "Beauclerc" England.

In or before 1249 [his son-in-law] John Mohun (age 22) and [his daughter] Joan Ferrers were married. She the daughter of William Ferrers 5th Earl of Derby 1193-1254 (age 55) and Sibyl Marshal (age 47). They were fourth cousins. She a great x 4 granddaughter of King Henry I "Beauclerc" England.

In 1249 [his son] Robert Ferrers 6th Earl of Derby (age 10) and [his daughter-in-law] Mary or Marie Lusignan Countess Derby 1242-1266 (age 7) were married. She the daughter of Hugh Lusignan XI Count Lusignan VI Count La Marche II Count Angoulême (age 28) and Yolande Capet Countess Lusignan, La Marche and Angoulême 1219-1272 (age 30). He the son of William Ferrers 5th Earl of Derby 1193-1254 (age 56) and Margaret Quincy Countess Derby. They were fourth cousins. He a great x 4 grandson of King Henry I "Beauclerc" England. She a great x 5 granddaughter of King Henry I "Beauclerc" England.

In 1250 [his son-in-law] William Vaux (age 35) and [his daughter] Eleanor Ferrers Countess Winchester 1236-1274 (age 14) were married. The difference in their ages was 21 years. She the daughter of William Ferrers 5th Earl of Derby 1193-1254 (age 57) and Sibyl Marshal (age 49). She a great x 4 granddaughter of King Henry I "Beauclerc" England.

In 1252 [his son-in-law] Roger de Quincy 2nd Earl Winchester (age 57) and [his daughter] Eleanor Ferrers Countess Winchester 1236-1274 (age 16) were married. She by marriage Earl Winchester. The difference in their ages was 41 years. She the daughter of William Ferrers 5th Earl of Derby 1193-1254 (age 59) and Sibyl Marshal (age 51). He the son of Saer Quincy 1st Earl Winchester 1170-1219 and Margaret Beaumont Countess Winchester. They were third cousin once removed. She a great x 4 granddaughter of King Henry I "Beauclerc" England.

[his son] William Ferrers and Anne Despencer were married. He the son of William Ferrers 5th Earl of Derby 1193-1254 and Margaret Quincy Countess Derby. They were fourth cousins. He a great x 4 grandson of King Henry I "Beauclerc" England. She a great x 4 granddaughter of King Henry I "Beauclerc" England.

[his son] William Ferrers and Anne Durward were married. He the son of William Ferrers 5th Earl of Derby 1193-1254 and Margaret Quincy Countess Derby. They were third cousin once removed. He a great x 4 grandson of King Henry I "Beauclerc" England. She a great x 4 granddaughter of King Henry I "Beauclerc" England.

William Vesci and [his daughter] Agnes Ferrers were married. She the daughter of William Ferrers 5th Earl of Derby 1193-1254 and Sibyl Marshal. She a great x 4 granddaughter of King Henry I "Beauclerc" England.

[his son] William Ferrers and Eleanor of Louvain were married. He the son of William Ferrers 5th Earl of Derby 1193-1254 and Margaret Quincy Countess Derby. He a great x 4 grandson of King Henry I "Beauclerc" England.

Gilbert Basset and [his daughter] Isabel Ferrers were married. The difference in their ages was 38 years. She the daughter of William Ferrers 5th Earl of Derby 1193-1254 and Sibyl Marshal. They were second cousin twice removed. He a great x 2 grandson of King Henry I "Beauclerc" England. She a great x 4 granddaughter of King Henry I "Beauclerc" England.

Hugh Mortimer and [his daughter] Agatha Ferrers were married. She the daughter of William Ferrers 5th Earl of Derby 1193-1254 and Sibyl Marshal. He a great grandson of King John "Lackland" of England. She a great x 4 granddaughter of King Henry I "Beauclerc" England.