Of the renowned Arnstein Family of dominant court financiers in Vienna in the 18th and first half of 19th century. The Arnsteins married into other leading Jewish families, such as Gomperz, Itzig, Mendelssohn and Pereira.
Grandson of Adam Isaac Arnstein. His primary occupation was banking, but he was also an author, and the first Jew in the Habsburg empire to publish a book., when he was 17. His first publication describes the joy of the Jews when they were granted the “Toleranzpatent”.