Byler's grandfather, William Byler, tells the TV station that the couple died when a helicopter that had departed the wedding reception crashed.
The TV station reports that the helicopter's pilot was also killed in the crash.
The National Transportation Safety Board says it's investigating the crash and the cause is not yet known.
The Houstonian student newspaper reports that the newlyweds were seniors at Sam Houston State University.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)