Oliver Cromwell English landowner, lawyer and politician, uncle of his namesake the Lord Protector (1566–1655) Parents Joan Warren Henry Williams Children Elizabeth Cromwell Jane Cromwell Catherine Cromwell Henry Cromwell Mary Cromwell Siblings Robert Cromwell Henry Cromwell Dorothy Cromwell Joan Barrington Elizabeth Cromwell Mary Cromwell Frances Cromwell Partners Ann de Gillis Hoostman Elizabeth Bromley Lucy Dyer