[1][2][3] During World War I, Bowes-Lyon served in France in The Royal Scots (Lothian Regiment).

[9] After the war, Bowes-Lyon was a justice of the peace and deputy lieutenant of Bedfordshire.

[6][13] Cator had been a bridesmaid at his sister Elizabeth's wedding to Prince Albert, Duke of York, in 1923.

[14] They had two sons and twin daughters: In later life, following the death of his brother, the 15th Earl of Strathmore and Kinghorne, he was heir presumptive to his nephew, the 16th Earl of Strathmore and Kinghorne.

Bowes-Lyon predeceased him and the earldom was inherited by his eldest son, Fergus, in 1972.