 Lord Grey de Wilton is now largely remembered for his memoir of his father, for participating in the last defence of Calais, and for his involvement in the massacre after the Siege of Smerwick on "Corca Dhuibhne" in County Kerry.He served as Lord Deputy of Ireland from 1580 until 1582.Arthur Grey was the eldest son of The 13th Baron Grey de Wilton and Mary, daughter of The 1st Earl of Worcester.