Leopold Philippe of Arenberg was the 4th Duke of Arenberg, 10th Duke of Aarschot and an Austrian field marshal. Wikipedia
Born: October 14, 1690, Brussels, Belgium
Died: March 4, 1754 (age 63 years), Arenberg Castle, Leuven, Belgium
Grandchildren: Louis Engelbert, 6th Duke of Arenberg, Louis-Marie d'Arenberg, Flore d'Arenberg, and more
Great-grandparent: Philippe-Charles, 3rd Count of Arenberg
Grandparent: Charles Eugene, 2nd Duke of Arenberg