Charles Emmanuel III of Sardinia
Polyxena of Hesse-Rotenburg (1706–1735) She was the daughter of Ernest Leopold, Landgrave of Hesse-Rotenburg and his wife Maria Anna of Löwenstein-Wertheim-Rochefort. Polyxena was the aunt of the famous princesse de Lamballe. The couple married on  20 August 1724 in Thorn. Polyxena bore him six children: