The heir apparent is the present holder's elder son Robert Edward William Gascoyne-Cecil, Viscount Cranborne ( b. 1970 ).
The heir apparent is the present holder's elder son, Michael Bruce John Murray, Marquess of Tullibardine ( b. 1985 ).
The heir apparent is the present holder's elder son Simon Henry George Petty-Fitzmaurice, Earl of Kerry ( b. 1970 ).
The heir apparent is the present holder's elder son, the Hon.
The heir apparent is the present holder's elder son, The Hon.
The heir apparent is the present holder's elder son The Honourable Charles Taiyo Christobal Wilson ( born 2002 ).
The heir apparent is the present holder's elder son, Robert James Renwick ( b. 1966 )
0.006 seconds.