Phillip Hyacinth von Lobkowicz was the 4th Prince of Lobkowicz, Duke of Sagan, owner of the Princely county of Störnstein and other possessions in the Upper Palatinate, in Silesia and in Bohemia.
- Occupation
- diplomat
- Born
- February 25, 1680, May 25, 1680
- Died
- December 21, 1737, 1735, December 21, 1734