(Fond du Lac) A Fond du Lac businessman has been identified as the victim of a fatal accident on Lake Winnebago Monday night. Fifty-five-year-old Peter Zacherl and his son 23-year-old Daniel Zacherl both went through the ice on their ATVs. They were taken to St. Agnes Hospital where Peter Zacherl died. Daniel and a passenger on his ATV, 22-year-old Sabrina Butler of Campbellsport, were treated and released. Peter Zacherl owned and was a funeral director at Zachaerl Funeral Home in Fond du Lac. Daniel is an apprentice funeral director.