Lady With Hat - Sigismund Righini (1909)

German, 1870–1937

Carlo Pietro Sigismund Righini was a Swiss painter and art association executive. He came from a family that included a long line of decorative painters, originating in Bedigliora. His father, Francesco (1837–1914), followed in the family tradition as well as being a master builder. His mother, Katharina Steinbrecher (1838–1925) was a native of Stuttgart.

A bit more: https://artvee.com/artist/sigismund-righini/