What is the full name of the eldest sibling who performed for the Empress Maria Theresa at the Imperial Court during a visit to Vienna in 1762?
Maria Anna Mozart Maria Anna Walburga Ignatia Mozart (30 July 1751 – 29 October 1829), called Marianne and nicknamed "Nannerl", was a musician, the older sister of Wolfgang Amadeus Mozart and daughter of Leopold and Anna Maria Mozart.
Frederick I, Margrave of Brandenburg-Ansbach Frederick I of Ansbach and Bayreuth (also known as Frederick V; German: "Friedrich II. von Brandenburg-Ansbach-Kulmbach" or "Friedrich der Ältere" ; 8 May 1460 – 4 April 1536) was born at Ansbach as the eldest son of Albert III, Margrave of Brandenburg by his second wife Anna, daughter of Frederick II, Elector of Saxony. His elder half-brother was the Elector Johann Cicero of Brandenburg. Friedrich succeeded his father as Margrave of Ansbach in 1486 and his younger brother as Margrave of Bayreuth in 1495.