This ruler came to power in a coup financed by the ambassador La Chetardie 
This ruler came to power in a coup financed by the ambassador La Chetardie and orchestrated by a man who served as physician to this ruler's mother, Count Lestocq. That coup marked the downfall of Heinrich Ostermann and Burkhard von Munich, the leaders of the "German Faction." This ruler removed the tongue of Natalia Lopukhina, as part of a longtime grudge against the Mons family, after a failed intrigue aimed at toppling chancellor Alexey Bestuzhev. This ruler's army achieved victory at Kunersdorf but then withdrew after this ruler died, in a sequence dubbed the "Miracle of the House of Brandenburg." This ruler, served by the Shuvalov family, deposed Ivan VI after returning from exile at a nunnery, where she was sent by her father's niece Anna. For 10 points, name this ruler, raised in a log cabin by her parents, Catherine I and Peter the Great, who was Empress of Russia from 1741 to 1762.