David was the chosen one, the protege, the man destined to lead the Labour party.
But instead his awkward younger brother committed the ultimate sibling betrayal by winning the Labour party leadership election instead.
Not only that, but he lost the 2015 general election, and between those two dates, tinkered with the leadership election rules in a way that ultimately led to Jeremy Corbyn’s victory.
It seems, though, radio can bring these two men of thwarted ambition together.
Your Mole can reveal that Ed Miliband will interview his brother on the Jeremy Vine show, at 1pm during the two-hour show, which starts at 12.
But David, who is president of the International Rescue Committee, is there to discuss something more serious than family drama – his recent TED talk about the refugee crisis.
Although the Mole understands that although the Miliband brothers will reunite on air, they will still be separated by the body of water that is the Atlantic Ocean…