Rugby's a family game – and if you build a line-up formed of the worlds best brothers you'll have quite a formidable looking XV.
The Barretts, Davies', Vunipola's and Youngs supply the spine of the team which is made up of players from six nations.
Here's our XV:
15. Charles Piutau (New Zealand)
14. Anthony Watson (England)
13. Jonathan Davies (Wales)
12. Jordie Barrett (New Zealand)
11. Rieko Ioane (New Zealand)
10: Beauden Barrett (New Zealand)
9. Ben Youngs (England)
1. Mako Vunipola (England)
2. Bismarck du Plessis (South Africa)
3. Owen Franks (New Zeland)
4. Scott Barrett (New Zealand)
5. Jonny Gray (Scotland)
Rugby Union - Australia v Scotland - IRB Rugby World Cup 2015 Quarter Final - Twickenham Stadium, London, England - 18/10/15Scotland's Richie Gray and Jonny Gray are dejected after the gameAction Images via Reuters / Andrew CouldridgeLivepic[/caption]
