Fire officials say they found the bodies of two adults and three children after hours of searching through rubble at the destroyed rural home.
A truck driver passing by the house at 13843 Township Road 124 called 911 to report the fire at 3:17 a.m.
Fire companies from around the area, including Bellevue, Monroeville and Attica responded, but the house was fully engulfed when they arrived.
Fire officials say it could be days or weeks before they know what caused the blaze. Neighbors said the youngest child was 12.
Photos of the search efforts can be seen in a gallery by clicking HERE
For more on this developing story, check back and pick up a copy of Wednesday's Register.