Illinois: History of Cass County, Illinois, ed. William Henry Perrin. O. L. Baskin & Co. Historical Publishers, Chicago, 1882. Cass County. JOHN DECKER, farmer; P. O. Bluff Springs; one of the oldest settlers of this county; was born in Germany, May 21, 1804. His parents, Nicholas and Mary (Kersting) Decker, had five children, three boys and two girls: John, Antony, Theresa, Elizabeth and Henry. Mr. Decker received his education in Germany, where he attended school seven years, till he reached the age of fourteen, and began farming in Germany, an since the year 1835 has pursued that occupation here. In this precinct, in 1835, he married Mary Ann Guyott, who was born in St. Augustine, Florida, in 1797, and died Nov. 28, 1873; they have had two children: Oliver and Oscar. When Mr. Decker came here, he bought 320 acres of land, at eight dollars per acre, which is still in his possession. He is a Democrat, and a member of the Methodist Church. Decker Kersting Guyott = Germany FL