Richard and Amy Milton was the parents of Anna Milton.
Early Life
Richard and Amy Milton were the parents of Anna Milton their only child called their "miracle" because until Anna, Amy was infertile. Anna was reborn as their child after she removed her Grace, and fell from Heaven. Richard was a church deacon.
Season 4
Sam and Dean go to their house to investigate, and find Mr. and Mrs. Milton dead on the floor. The brothers find some traces of sulfur near their bodies. They then go to Richard Milton's church, where they find Anna.