William Ii 4th Earl Derby Deferrers
William Ii 4th Earl Derby was born in 1162 in Ferrers, Derbyshire, , England.¹   He died at the age of 85 on September 22nd, 1247 in , , , England.¹ 

 + Agnes De Meschines
+ Agnes was born in 1174 in Tutbury, Staffordshire, England.²   She died at the age of 73 on November 2nd, 1247 in Tutbury, Staffordshire, England.² 

 William De Ferrers
William was born in 1193 in , Derbyshire, , England.³   He died at the age of 61 on March 24th, 1254 in Evington, Leicestershire, , England.³ 

 Ivette Deferrers
Ivette was born in 1200 in Ferrers, Derbyshire, , England.⁴