 The Parish Church of St Mary, Watford, south-east of Cassiobury House, was the burial place for the Morison and Capel families.In 1595, the church vestry was converted into a memorial chapel by Bridget, Dowager Countess of Bedford and widow of Sir Richard Morison, and Francis Russell, 2nd Earl of Bedford.The Essex Chapel (originally known as the Morison Chapel) can be seen in Saint Mary's today.