My Uncles works at a Bookmakers and he taught me about odds when I was little so I thought I'd have a go based on polls and my Family's likely perceptions
Winner
Gramps - 5/2
Chris - 5
Holly - 11/2
Shine - 9
Steve - 10
Rob - 16
Debbie - 18
U Steve - 20
Elaine - 25
Rich - 50
Sandra - 50
John - 125