When Geoffrey De Mandeville Earl of Essex was born in 1092, in Great Waltham, Essex, England, United Kingdom, his father, William de Mandeville I, was 30 and his mother, Margaret de Ryes, was 17. He married Rohese De Vere Countess of Essex about 1123, in England. They were the parents of at least 4 sons and 2 daughters. In 1141, at the age of 49, his occupation is listed as custodian/constable of the tower of london. He died on 14 September 1144, in Mildenhall, Suffolk, England, United Kingdom, at the age of 52, and was buried in London, Middlesex, England.