William Peverel
William was born in 1080 in Nottingham, Nottinghamshire, , England.¹   He died at the age of 75 in 1155 in London, Middlesex, , England.¹ 

 Lady Avice (Countess Nottingham) De Lancaster
Lady Avice (Countess Nottingham) was born in 1088 in Nottinghamshire, England.²   She died at the age of 61 in 1149 in Nottinghamshire, England.² 

 + Margaret Peverel
+ Margaret was born in 1114 in Nottingham, Nottinghamshire, , England.³   She died at the age of 22 in 1136 in Oakham, Rutland, , England.⁴