Phillip Hyacinth von Lobkowicz

[1] Through his first marriage to Countess Eleonore, the heiress of the House of Lobkowicz-Bílina, the properties of Bílina, Jezeří and others went to him and he founded the Roudnice branch of the older line of Popel of Lobkowicz.

In 1707 the princely family left Neustadt an der Waldnaab and stayed in Vienna (then a part of the Archduchy of Austria) and their Bohemian possessions.

Christoph Willibald Gluck's father was a forester in the service of Phillip Hyacinth in Jezeří.

Together, they were the parents of: The Prince of Lobkowicz died on 21 December 1734 in Vienna and was succeeded by his eldest surviving son, Wenzel Ferdinand.

Through his son Ferdinand, he was a grandfather of Joseph Franz, 7th Prince of Lobkowitz, who married Maria Karolina von Schwarzenberg (daughter of Johann I, Prince of Schwarzenberg [de] and Countess Maria Eleonore zu Oettingen-Wallerstein, a daughter of Count Philipp Karl von Oettingen-Wallerstein).