General David (de) Montolieu, Baron de St Hippolyte was a French Huguenot officer in the British service. He came to England as refugee with William, Prince of Orange in 1688, and entered the army. For his services in Piedmont against France, Montolieu de Saint-Hippolyte was created a Baron of the Holy Roman Empire (Reichsfreiherr) by Emperor Joseph I, by letters patent dated at Vienna, 14 February 1706.