Background
Charles Thomas was the eldest son and second children of Dominic Marquard, 2nd Prince of Löwenstein-Wertheim-Rochefort (1690–1735) and his wife Christine Franziska Polyxena (1688-1728) a daughter of Charles, Landgrave of Hesse-Wanfried by his second wife Countess Juliane Alexandrine of Leiningen-Dagsburg.