The Marquis of Wellington. K.B. By Henry Swinburne Minasi, Published by Colnaghi & Co. Hand-coloured etching, 1813, 42 x 33 cm. Dedicated to lady Anne Culling Smith. Mounted portrait of the Marquis of Wellington pointing into the distance, several cavalrymen, some with drawn swords. Arthur Wellesley, 1st Duke of Wellington (1769-1852) was a statesman and military leader who rose to prominence during the Napoleonic Wars.