Bet365 co-founder Denise Coates and her family have moved up the latest Sunday Times Rich List rankings.
The Coates family have moved from 20th place to 16th, with their wealth rising by £1.98bn to £9.45bn.
The bet365 bosses top the list among those working in the gambling industry, a cohort which also includes Mark Scheinberg, the co-founder of PokerStars.
Scheinberg moved from 41st to 38th, his wealth rising by £406m to £5.08bn.
Recent newspaper reports claimed that the Coates family is weighing up a sale of bet365 in a push for US expansion.
