Having posted on another forum about Bob Crowe, it occurred to me that he's quite like his more famous sibling Russell, in that they are both a bit shouty at times. Russell of course is a lot more fit than Bob, well he was when he was in Gladiator, but like Bob he's appears to be too fond of the pies. I think it's possibly quite right say that Russell has more charisma, I'm sure that he would have had no problem getting his brothers to down tools if he was doing Bob's job but I don't think Bob would have made a very good Maximus Decimus and he'd look shite in a skirt!
Another example of two brothers, sadly separated at birth, is of course Lionel and Tony Blair, Lionel being the most talented, although Tony's dancing skills did come to the fore when he danced rings round the country!
Can anyone think of other siblings, or indeed parents and children separated at birth ?