This mansion in St James's, London is the property of a nobleman who was the younger brother of who?
Spencer House, London Spencer House at 27 St. James's Place is a mansion in St James's, London, and is the property of the Earl Spencer.
James Lowther, 1st Earl of Lonsdale James Lowther, 1st Earl of Lonsdale (5 August 1736 – 24 May 1802) was an English politician and landowner. He was a Member of Parliament for over twenty years before, in 1784, he was raised to the Peerage of Great Britain as Earl of Lonsdale.