BRITAIN IRELAND SCOTLAND YOUNG PEOPLE WOMEN Sharon, Brian, Paul and Sean McMahon RESULTS 2006 Ranking Worth Industry 15 £396m ( €582m) Retailing and inheritance Sharon, 35, Brian, 33, Paul, 31, and Sean, 26, the grandchildren of Ben Dunne Sr, the founder of Dunnes Stores, inherited the stake held by their mother, Elizabeth, in 1994. It is worth £396m. RESULTS 2005 Ranking 16 Worth 2005: £317m