OSHKOSH (NBC 26) — The Winnebago County Sheriff's Department identified the three people found dead on Division Street in Winneconne as 57-year-old Jeffrey Manke and his two daughters — 16-year-old Jaelyn Manke and 11-year-old Lenora Manke. They were found during a welfare check on the 500 block of Division Street on Friday, July 31. The Winnebago County Sheriff's department is leading the investigation. YOU CAN WATCH THE FULL BROADCAST HERE:Winneconne police chief responds to Division Street deathsOn Monday, NBC 26 obtained court records showing a restraining order had been filed against Manke earlier this year. Anyone with information is asked to call the Winnebago County Sheriff's Office at 920-236-7300.