Piers De Lutegareshale
Piers was born about 1130 in England.

 Maud De Mandeville
Maud was born about 1138 in Rycott, Oxfordshire, England.

 Geoffrey FitzPiers De Mandeville
Geoffrey FitzPiers was born in 1162 in Northhampton, England.  He died at the age of 51 on October 14th, 1213 in Walden, Essex, England.