Philip Joseph, Prince of Salm-Kyrburg
Philip Joseph, Prince of Salm-Kyrburg (1709–1779) was the first prince of Salm-Kyrburg, from 1743 to 1779. Life and reign. He was the second son of Hendrik Gabriel Joseph of Salm-Kyrburg, regent of Salm-Kyrburg from 1696 to 1716, and his wife Princess Maria Theresia de Croÿ. He had an elder brother, John, and a sister, Henriëtte (who married Maximilian, Prince van Hornes, who already had two daughters from a previous marriage, the eldest of whom later married Philip Joseph). The Salm-Mörchingen family lost the titles of "Wildgrave of Dhaun" and  Rhinegrave of Stein in 1681, when they lacked a male successor. Salm-Kyrburg was from then on run by regents on their behalf. Philip Joseph reigned with his brother John from 1716. When Salm-Kyrburg again arose, this time as a principality, Philip Joseph became its first prince. Marriage and issue. He married in 1742 to Princess Maria Theresa van Hornes (1725-1783), who was made her father's sole heir in 1763, with his titles and country estates thus passing to the princes of Salm-Kyrburg. Emanuel's other daughter, Princess Elisabeth of Hornes, widow of Gustaaf Adolf, Prince  of Stolberg-Gedern and mother of Charles Edward Stuart's wife Louise, agreed to this without protest. Philip Joseph and Maria Theresa had 10 children, including a pair of twins: