Odd one out

Realise that I am the odd one out in my family tree..
1) my mum - 2 daughters + myself
2) 2nd uncle - 2 sons
3) 3rd uncle - 2 daughters
4) 4th aunt - 2 sons
What a great combination! 2 gals, 2 boys, 2 gals and 2 boys..I am the odd one out. :D