Secretary of State for Defence

His Excellency the Most Honourable

The Marquess of Ottawa

OCS, KCJO, DSO

Other incumbent offices

Chief Commissioner of Slaifchak
Honorary Representative to the Dominion of Canada

Previously held offices

Lord Governor of Slaifchak
Secretary of State for Foreign and Commonwealth Affairs

Former officeholders

The Duke of Holderton
The Viscount Marlborough
The Duke of Northumbria
The Baron Leonard
R. Smits
The Baron Davidson
Sir R. Jenkinson
M. Johnson