Balancing a political life with a family one can be tough and when the two collide the results can be tense to say the least.
Two of Britain's top Tories have this week found themselves in just that position when brotherly friction bubbled into public view.
Advertisement
First up was the jealousy of Boris Johnson, swiftly followed by a veiled attack on David Cameron's legal aid reforms.
Here's an overview plus a couple more classic examples...