Hugh Sinclair Arbuthnott (born 1929) (1929–2018) Parents Ursula Collingwood Keith Arbuthnott, 15th Viscount of Arbuthnott Children Katherine Anne Arbuthnott Hugh James Hamilton Arbuthnott Siblings Christian Keith Arbuthnott William Arbuthnott John Arbuthnott, 16th Viscount of Arbuthnott Partners Anne Rosamund Terdre