**Geoffrey de Mandeville
**Geoffrey was born in 1165 in Walden, Essex, England.  He died at the age of 48 on October 14th, 1213 in Walden, Essex, England.

 **Beatrix de Saye
**Beatrix was born in 1169.  She died at the age of 28 in 1197.

 **Maud de Mandeville
**Maud was born about 1178.  She died on August 27th, 1237.

 **William de Mandeville
**William was born in 1186 in Saffron Walden, Essex, England.  He died at the age of 40 on January 8th, 1226 in Shouldham Priory, Downham, Norfolk, England.