_. Jonathan Sieff, who died 1 July, 2020, aged 86, was a descendant of Michael Marks [co-founder of Marks & Spencer].
Sieff was a motor racing driver, 1959 and 1960, World Sportscar Championship Team Lotus Engineering, [1960 Le Mans 24 hrs], amd sometime owner of Cooper Cars, &c.
He was born 21 Dec, 1933, son of the Hon Michael David Sieff, CBE [1911-87], by his 1st wife the former Daphne Madge Kerin Michael [later wife of Sir Michael Hadow, KCMG], and was a grandson of Israel Moses Sieff, the life peer as Baron Sieff [1889-1972], by his wife the former Rebecca Doro Marks [died 1966], daughter of Michael Marks [1863-1907].
Jonathan Sieff married three times, firstly, 26 May, 1959 [div 1966], Nicole Moschietto; married 2ndly, 6 Apr, 1966 [div 19---], Angela Pringle, daughter of Brig. Douglas Pringle; married 3rdly, 1986, Candy Seymour-Smith, who survives him.
His first wife, Nicole, following her divorce, was a lover of Prince William of Gloucester, a cousin of the Queen, who was killed in a flying accident in 1972.
Jonathan Sieff leaves 2 sons from his first marriage, Mark [born 1959], and Patrick [born 1963], and a daughter from his second marriage, Rebecca Verassana Sieff [born 1967], who married 9 June, 2001, the Hon Simon Bartholemew Geoffrey Howard [b 26 Jan, 1956], of Castle Howard, North Yorkshire, third son of the Baron Howard of Henderskelfe [1920-84], by his wife the former Lady Cecilia Blanche Genevieve FitzRoy [1922-74], scion of the Dukes of Grafton.