Mary Curzon , the heiress of the Curzon family and governess to the Royal Family , married Sir Edward Sackville , 4th Earl of Dorset .
The Curzon family held it for 15 consecutive generations .
Curzon   , the Curzon of the Curzon family and governess to the Royal Family , married Sir Edward Sackville , 4th Earl of Dorset .
The Curzon family held it for 15 consecutive generations .