sentences:  After working as a portrait painter in Siena, Florence and Venice, in 1664 Block crossed the alps back to his native Germany, and settled in Nuremberg, where he married the daughter of the flower painter Johann Thomas Fischer (1603–1685), the flower painter Anna Catharina Fischer.There he made portraits for the margraves of Ansbach and the Vienna court until 1670.He was knighted by Leopold I, Holy Roman Emperor in 1684.