When Elizabeth Hampden was born in 1426, in Hampden Row, Buckinghamshire, England, United Kingdom, her father, John II Hampden Ii, was 41 and her mother, Lady Elizabeth Whalesborough, was 20. She married Sir Nicholas II Quainton Ii in 1439. They were the parents of at least 1 son. She died on 8 December 1466, in Great Missenden, Buckinghamshire, England, at the age of 40, and was buried in Great Missenden, Buckinghamshire, England.