LINN COUNTY, Iowa [KCRG] — A husband and wife from eastern Iowa died Wednesday following a seed truck rollover in Linn County. The Linn County Sheriff’s Office says the accident happened around 8:42 a.m. on Highway 13 near Travis Road, southeast of Marion.

Authorities say when the driver of the grain truck, 74-year-old John Kilburg, lost control, the truck rolled over and ended up on its side in the southbound lanes of Highway 13. He and his passenger, 70-year-old Donelle Kilburg, were trapped in the cab and had to be extricated.

John Kilburg was pronounced dead at Mercy Hospital after the crash. Donelle Kilburg died Wednesday afternoon at University of Iowa Hospital. Both were from Spragueville, in Jackson County. The accident remains under investigation.