Channel 2 Action News, a partner of The Atlanta Journal-Constitution, has confirmed the identities of all four victims.
The three men were identified as Christopher, Greg and Phillip Byrd. The woman was identified as Jackie Kulzer.
According to theknot.com, Kulzer and Christopher Byrd were going to get married on Oct. 17.
Grady Byrd of Asheville, N.C., told 11Alive that he was the father of Greg Byrd and the grandfather of Christopher and Phillip Byrd.