I also have TREPUS family from Stephenson Co., Illinois.....William H. TREPUS was the only son of my gr-gr-great aunt, Amelia DREYER TREPUS, born in March of 1854. William married Mary J. ? and they had two children, Silas R. TREPUS, b. 7 Aug. 1879, and Emma TREPUS b. March 1886.......Are they part of your TREPUS family?