Leopoldine, born in 1797, was the great-granddaughter of empress Maria Theresa and a daughter of the Austrian emperor Francis I. Under Metternich's instructions she was married in absentia to Pedro of Braganca, successor to the throne of Portugal, Brazil and Algarve when she was twenty years old. She joined her unknown husband in Brazil where she died ten years later mentally exhausted and emotionally abused. Four of her children survived into adulthood;...