His father, Thaddäus (1810-1872), was an engraver and his uncle was the history painter, Fritz L’Allemand, who gave him his first lessons.
His had his formal studies at the Academy of Fine Arts, Vienna, with Christian Ruben and Karl von Blaas.
His uncle, Fritz, died that same year and Siegmund completed his unfinished paintings.
In October, 1907, he was a member of the Examination Board (chaired by Christian Griepenkerl) that voted to reject Adolf Hitler's application for admission to the school.
Many of his works are on display at the Museum of Military History, Vienna; notably a monumental portrait of Ernst Gideon von Laudon that was created for the Exposition Universelle (1878).