Question: Who is Louis Charles De La Trémoille's paternal grandfather?
Sentence (from "Jean Bretagne Charles de La Trémoille"): Prince Jean- Bretagne- Charles de La Trémoille( 5 February 1737 – 19 May 1792), 7th Duke of Thouars, was a French soldier and the son of Charles Armand René de La Trémoille and his wife, Marie Hortense de La Tour d'Auvergne of Bouillon.
Relevant evidence: No