Philipp Sigmund of Dietrichstein (9 March 1651 â 3 July 1716), was a German prince member of the House of Dietrichstein.
He was the fourth child and third (but second surviving) son of Maximilian, 2nd Prince of Dietrichstein zu Nikolsburg, and his second wife, Countess Sophie Agnes of Mansfeld-Bornstädt (4 November 1619 â 20 January 1677), a daughter of Wolfgang III, Count of Mansfeld-Vorderort-Bornstädt.
In 1680, Philipp Sigmund married firstly with Marie Elisabeth Hofmann, Baroness of Grünbühel-Strechau (1663 â 21 January 1705). They had three children:
After 1705, Philipp Sigmund married secondly with Dorothea Josepha, Baroness Jankovský of Vlaà ¡im (1666 â 31 May 1742). They had no children.
Philipp Sigmund of Dietrichstein died on 3 July 1716, aged 65.