Johann D. Biller

Johann D. Biller Born: January 2, 1938 in Sterling, IL Died: October 31, 2025 in Rockford, IL ROCK FALLS - Johann Dettmer Biller, 87, of Rock Falls, died on Friday, October 31, 2025, at Javon Bea Hospital in Rockford. Johann was born January 2, 1938, in Sterling, the son of Dettmer and Freida...