He was appointed Honorary Colonel on 29 May 1957[3] of the Fife and Forfar Yeomanry/Scottish Horse. He held this post until 1962, when his tenure expired. He was however allowed to retain the honorary rank of Colonel.[4]
He was known as a vocal proponent of traditional British protocol. He gained publicity in 1971 when he sent Martha Mitchell, wife of US Attorney General John Mitchell, some critical correspondence after Mrs. Mitchell omitted to curtsy to Queen Elizabeth II.
Family
Lord Lindsay married the Honourable Mary-Clare Douglas-Scott-Montagu, daughter of John Douglas-Scott-Montagu, 2nd Baron Montagu of Beaulieu and Alice Pearl Crake, on 31 October 1953. They had one son, James, and one daughter, Caroline, but were divorced in 1968. He married as his second wife Penelope Crossley, daughter of Anthony Crossley and Clare Frances Fortescue Thomson, in 1969. He died in 1989 and was succeeded by his only son, James.[1]
Arms
Coat of arms of David Lindesay-Bethune, 15th Earl of Lindsay
Quarterly, 1st & 4th: Gules, a fess chequy Azure and Argent, in chief three mullets of the second(Lindsay); 2nd & 3rd: counter-quartered, 1st & 4th: Azure, a fess between three lozenges Or (Bethune); 2nd & 3rd: Argent, on a chevron Sable, an otter's head erased of the first (Balfour) all within a bordure embattled Or.
Supporters
On both dexter and sinister, a griffin Gules, armed and legged Or
Motto
Above the crest: Je ayme (French: "I love") Below shield: "Live but Dreid"