Lord Calum Graham (born 1958) (b. 1958) Parents Susan Semple James Graham, 7th Duke of Montrose Children Euan Graham Iain Graham Christabel Graham Siblings Lord Donald Graham Lady Lilias Graham Lady Cairistiona Graham James Graham, 8th Duke of Montrose Lady Fiona Graham Jocelyn Gibbs Partners Catherine Fraser-Mackenzie Estelle de Winton