Complex sentence: Pugni's sons Albert and Victor played in the orchestra of the St. Petersurg Imperial Theatres throughout the late 19th and early 20th centuries, the former being a noted cellist, and the latter a flautist.
Split into simpler sentences: Pugni's sons Albert and Victor played in the orchestra of the St. Petersurg Imperial Theatres throughout the late 19th and early 20th centuries. The former being a noted cellist, and the latter a flautist.