Letter of recommendation in favor of vourmbrand, a young man who has been for a long time with Firmian and most recently in Denmark, the son-in-law of Barouca. He will strive to earn your goodwill having no other instructions than to maintain the good understanding that reigns so happily between our houses and particularly the friendship and esteem that I have for you, my dear cousin.” MARIE Thérèse married Francis I, Duke of Lorraine, who died in 1765. Mother of Marie Antoinette, she was Empress from 1740 to 1780, Queen of Bohemia and Hungary; she came to power due to her father's decision to die without a male heir (1740), which led to the War of the Austrian Succession (1740 - 1748).