Ever since Cain and Abel high profile fraternal joshing has made onlookers uneasy.
Celeb brotherly rivalry of the sporting, journalistic, political and other kinds has rarely ended in fratricide, thankfully. But it has been the source of healthy speculation as to the tempers displayed over family lunches at Christmas.
Following David Miliband's retreat from politics, leaving his brother Ed a rather beleaguered Labour leader, The Independent online has rounded up a selection of other brothers who share - or refuse to share! - the limelight.
Join our new commenting forum
Join thought-provoking conversations, follow other Independent readers and see their replies