<p class="MsoNormal"><span style="color:#000000">Sir David Barclay, one half of the British billionaire twins known as the Barclay Brothers, died last night after a “short illness”. Sir David, 86, and his twin brother Sir Frederick Barclay are best-known in the U.K. as the secretive billionaires behind a string of upmarket hotels, alongside other media, retail, and home delivery interests.</span></p>