In 1982 he married Diana Mary Chamberlayne-Macdonald, a granddaughter of Sir Alexander Somerled Angus Bosville
Macdonald of Sleat,
16th Baronet; the two have five children: • Lady Frances Mary Gabinsky (born 1986), married to Rostislav Gabinsky. They have a son, Alexander Fabian (born 2018), and twin daughters: Stella Penelope and Diana Sophia (born 2023) • Lady Alexandra Penelope Lindesay-Bethune (born 1988), married to Jack Coleman. They have two sons: Nicholas Tankerville Wallace (born 2019) and James Horatio Somerled (born 2021). •
William James Lindesay-Bethune, Viscount of Garnock, Master of Lindsay (b. 30 December 1990), married to
Lady Violet Manners. • The Hon. David Nigel Lindesay-Bethune (born 1993) • Lady Charlotte Lindesay-Bethune (born 1993), married to
Prince Jaime, Duke of Noto, on 25 September 2021 at
Monreale Cathedral,
Metropolitan City of Palermo. The couple has a daughter named Francesca Sofía. The Countess of Lindsay is a patroness of the
Royal Caledonian Ball and a master of the Fife Foxhounds. ==Arms==