High Quality Content by WIKIPEDIA articles! David Albert Charles Armstrong-Jones, Viscount Linley, known professionally as David Linley, a bespoke furniture maker and chairman of Christie's UK, the international auction house. The son of Princess Margaret, Countess of Snowdon, and Antony Armstrong-Jones, 1st Earl of Snowdon; he is thirteenth in the line of succession to the British Throne and heir to the Earldom of Snowdon.