Susan Vesey, Viscountess de Vesci (1927-1986); sister of Antony Armstrong-Jones (1927–1986) Parents Anne Parsons, Countess of Rosse Ronald Armstrong-Jones Children Catherine Vesey Georgina Vesey Emma Vesey Thomas Vesey, 7th Viscount de Vesci Siblings Martin Parsons Brendan Parsons, 7th Earl of Rosse Antony Armstrong-Jones, 1st Earl of Snowdon Peregrine Armstrong-Jones Partners John Vesey, 6th Viscount de Vesci