sentences:  Among his siblings was Francis North (later the 4th Earl), Catherine Anne North (wife of Sylvester Douglas, 1st Baron Glenbervie), Lady Charlotte North (wife of Lt.-Col.The Hon.John Lindsay, a son of the 5th Earl of Balcarres), Frederick North (later the 5th Earl), and Lady Anne North (wife of John Baker-Holroyd, 1st Earl of Sheffield).