Philipp Ludwig Wenzel von Sinzendorf

Philipp Ludwig Wenzel von Sinzendorf (26 December 1671 – 8 February 1742) was an Austrian diplomat and statesman who for nearly four decades served as Court Chancellor responsible of foreign affairs of the Habsburg monarchy.

As a younger son of this marriage, Philipp Ludwig was designated early for an ecclesiastical career and joined the cathedral chapter in Cologne.

In 1696 he married the Countess Rosina Katharina Isabella Rosalia von Waldstein-Wartenberg (1672-1733), widow of Count Wilhelm of Löwenstein-Wertheim-Rochefort (1669-1696).

Along with the future Emperor Joseph I, he participated in the siege of Landau, one of the longest in the War of the Spanish Succession.

Here, he dismissed the Prince-bishop of Liège Joseph Clemens of Bavaria, whose brother fought with France against Austria, and introduced a new government.

In 1704, he concluded the Imperial Evacuation Treaty with the Elector of Bavaria after the great victory in the Battle of Blenheim.

In negotiating the Treaty of Utrecht, Sinzendorf teamed up with Prince Eugene and tried in vain to persuade the former allies to continue the war.

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