ANHALT-DESSAU, the Duchess of (1796-1850). Frederica of Prussia, daughter of Prince Ludwig of Prussia and of the Princess of Mecklenburg-Strelitz, sister of Queen Louise, married the Duke of Anhalt Dessau in 1818.

APPONYI, Count Antony** (1782-1852). Austrian diplomatist, Ambassador at Paris from 1826-1848. He married a daughter of Count Nogarola.

APPONYI, the Countess. Née Benkendorff, niece of the Princesse de Lieven.

ARAGO, François Dominique (1786-1853). Celebrated astronomer and one of the greatest scientists of the nineteenth century. Formerly a pupil of the Polytechnic School and a member of the Academy of Science. In 1830 he entered upon a political career: as a deputy of the Pyrenees he sat on the extreme Left, and was the orator of the Opposition; at the revolution of 1848 he formed part of the Provisional Government, and directed the Ministries of War and of the Navy.

ARENBERG, Prince Pierre d'* (1790-1877).

ARENBERG, Princesse Pierre d'* (1808-1842). Daughter of the Duc and Duchesse of Périgord.

ARGOUT, the Comte d'** (1782-1858). French politician and financier.

ARNFELD, Baron Gustavus Maurice of (1757-1824). A Swede, born in Finland. He followed a military career, and was rapidly promoted by Gustavus III., who was very fond of him. He incurred the disfavour of the Prince Regent during the minority of Gustavus IV.; was forced to go into exile, and lived in Russia for several years; eventually restored to his old position, he was appointed Swedish Minister at Vienna in 1802. After the cession of Finland to Russia he was made Governor of Finland in 1813.

ARNIM-BOITZENBURG, Count Adolphus of (1803-1868). Minister of State in Prussia. In 1830 he married Countess Caroline of Schulenburg-Wolfsburg.

ARNIM-HEINRICHSDORF, Baron Henry of** (1789-1861). Prussian diplomatist, Minister at Paris from 1840-1848, then Minister of Foreign Affairs at Berlin in 1848 for a short time.