Glamis Castle Author:Robert Innes-Smith Book on Glames Castle when the 17th earl Fergus Michael Claude Bowes-Lyon, 17th Earl of Strathmore and Kinghorne (31 December 1928 – 1987),[1][2] was a nephew of Elizabeth Bowes-Lyon. — He was a first cousin of Queen Elizabeth II and Princess Margaret. — He was the son of Captain (the) Honourable Michael Claude Hamilton Bowes-Lyon and Elizabeth Ma... more »rgaret Cator.[2] His paternal grandparents were Claude Bowes-Lyon, 14th Earl of Strathmore and Kinghorne and Cecilia Cavendish-Bentinck.« less