He has stayed in Princeton, Butler, Valencia and one other city before moving to Sun Prairie. The current age of William is 81. William's birth date was listed as 1944. The possible relatives of William are William Allen Koston, Gina Janet Koston, Gina Klempkoston and 2 other people. William’s residency is at 5790 Parkview Rd, Sun Prairie, Wi 53590. Records link phone number (814) 934-3382 with William’s details.