Career
He was a first cousin of Queen Elizabeth II and Princess Margaret. On 25 May 1949, he succeeded his father Patrick as Earl of Strathmore and Kinghorne. Strathmore married an Irish nurse and commoner, Mary Bridget Brennan (born ca 1923) at Glamis Castle on 18 June 1958.
They had one daughter, Lady Caroline Frances Bowes-Lyon (8 December 1959 – 1 January 1960).
The Countess died under mysterious circumstances on 8 September 1967.