Adolphe de Leuven (1802 – 1884) was a French theatre director and a librettist. Also known as Grenvallet, and Count Adolph Ribbing. He was the illegitimate son of Adolph Ribbing, who was involved in the assassination of Gustav III of Sweden in 1792, and Jeanne-Claude Billard. Wikipedia
Leuven, Adolphe de (1802–1884)
