BRITAIN IRELAND SCOTLAND YOUNG PEOPLE WOMEN Eugene and Brendan Murtagh RESULTS 2006 Ranking Worth Industry 16 £386m ( €568m) Building products The 20% stake that chairman Eugene, 62, holds in London-quoted Kingspan, a maker of building materials based in Co Cavan, has leapt to £261m. He netted £27m in share sales last year and bought the Hempel, a luxury London hotel. Brendan, 59, his brother and also a director, saw his shares rise to £56m. He owns an £18m stake in Smart Telecom, an AIM-quoted Dublin company, and there are other assets of £24m. RESULTS 2005 Ranking 2617 Worth 2005: £251m