PONSONBY, Lord* (1770-1855). English diplomatist.
POURTALÈS, the Comte Louis de (1773-1848). President of the Council of State at Neuchâtel, he protested in 1823 against the conjunction of the principality with the Swiss Confederation, and in 1832 he induced the Council to sign an address, asking the King of Prussia to break the connection between the Principality and Switzerland; as this attempt proved a failure, he retired into private life.
POZZO DI BORGO, Count* (1764-1842). Russian diplomatist.
POZZO DI BORGO, Count Charles. Nephew of the foregoing; he served in the French Army until 1830 and then resigned with the rank of Colonel. He married Mlle. Valentine de Crillon, daughter of the Duc de Crillon.
PRASLIN, the Marquis Charles de Choiseul, Duc de** (1805-1847). Son-in-law of Marshal Sébastiani.
PRASLIN, the Duchess de. Died in 1847. Daughter of Marshal Sébastiani.
PRITWITZ, General Charles Ernest of (1790-1871). Aide-de-camp to King Frederick William III. and Lieutenant-General in 1844; Commander of the Berlin troops in 1848 and Chief of the Federal Army in Schleswig in 1849.
PROKESCH-OSTEN, Baron Anton of (1795-1876). Austrian diplomatist. He represented Austria at Berlin from 1849-1852, and at Frankfort until 1857, and afterwards at Constantinople.
PRUSSIA, Prince Augustus of (1778-1843). Youngest son of Prince Ferdinand of Prussia, he was the youngest brother of Frederick the Great, and of his wife the Margrave of Brandenburg-Schwedt.
PRUSSIA, Prince William of (1783-1851). Brother of King Frederick William III., he married in 1814 a Princess of Hesse-Homburg. He was a cavalry general and Governor at Mayence.