 The Capels were settled at Little Hadham in Hertfordshire, but after the marriage they became closely associated with Cassiobury.Arthur Capel was a politician and a supporter of the Royalist cause in the English Civil War; during Cromwell's rise to power, Capel was tried and condemned to death by the Parliamentarians, and beheaded in May 1649.Cassiobury had been sequestrated by Parliament.