Knowlton Court estate remained the property of Admiral Sir John Narborough during the late 17th century . After Narborough had died at sea , leaving a widow and two sons , his wife married Admiral Sir Cloudesley Shovell , who also died at sea , along with his two Narborough stepsons , in the Scilly naval disaster of 1707 . His flagship , HMS '' Association '' , and three other ships were lost , claiming the lives of nearly 2,000 sailors . Shovell 's stepsons , Sir John Narborough , 1st Baronet , and his brother James , are commemorated in Knowlton Church
Scilly naval disaster of 1707
Scilly naval disaster of 1707
Knowlton Court