Alexander von Mensdorff-Pouilly, Prince Dietrichstein von Nicolsburg

Alexander Konstantin Albrecht von Mensdorff-Pouilly, 1st Prince von Dietrichstein zu Nikolsburg was an Austrian general, diplomat and politician, including two years as Minister of Foreign Affairs (1864–66) and one month's service as Minister-President of Austria. He was a cousin of Queen Victoria of the United Kingdom of Great Britain and Ireland and a favorite cousin and childhood playmate of her husband Prince Albert of Saxe-Coburg and Gotha.