Wilhelm Joseph von Wasielewski was a German violinist, conductor, and musicologist. Wikipedia
Born: June 17, 1822, Gdańsk, Poland
Died: December 13, 1896 (age 74 years), Sondershausen, Germany
Children: Waldemar von Wasielewski and Wilhelm Traugott von Wasielewski
Partner: Hedwig von Wasielewski (1874–) and Alma von Wasielewski