Desmond Walter Guinness, author on Georgian art and architecture, a conservationist and the co-founder of the Irish Georgian Society, died on 20 August last year, nineteen days before his 89th birthday.
He was the second son of the author and brewer Bryan Guinness, 2nd Baron Moyne (1905–1992) & his then wife, Diana Mitford (later Lady Mosley,1910–2003); he had one full brother Jonathan Bryan Guinness, now 3rd Baron Moyne (b.16 March 1930).
His parents divorced and both remarried and had more children: mother two sons Alexander (b.1938) & Max (b.1940) with Sir Oswald Mosley (1896-1980), father - nine children with Elisabeth Nelson (1912-1999): Rosaleen (b.1937), Diarmid (1938-1977), Fiona (b.1940), Finn (b.1945), Thomasin (b.1957), Kieran (b.1949), Catriona (b.1950), Erskine (b.1953) & Mirabel (b.1956).
He married in Oxford in 1954 Princess Henriette Marie-Gabrielle von Urach (1932-1989) [firstborn daughter of Prince Albrecht von Urach (1903-1969) & his first wife Rosemary Blackadder (1901-1975)] they had two children, but divorced in 1980; he remarried in 1984 Penelope Cuthbertson, daughter of the socialite Teresa Jungman, and a granddaughter of the artist Nico Wilhelm Jungmann.
He is survived by his son Patrick (b.1956, historian and author), his daughter Marina (b.1957), nine grandchildren (the eldest is Jasmine Guiness, b.1976, daughter of Patrick, designer and a fashion model) and six great-grandchildren as well as his full-brother and ten half-siblings and their families.
Sources: Descendants of Prince Honor? III of Monaco