Walter Aston, 2nd Lord Aston of Forfar (6 April 1609 – 23 April 1678) was the second and eldest surviving son of Walter Aston, 1st Lord Aston of Forfar, and Gertrude Sadleir, daughter of Sir Thomas Sadleir of Standon, Hertfordshire, and his second wife Gertrude Markham. Lady Aston was the granddaughter of the noted Elizabethan statesman Sir Ralph Sadler.[1]