Guess who is who?

Guess who is who? Which pictures are Nolan and which are Nathaniels. They are each dressed in the same outfits and each picture was taken around the same age... I will post results later... So leave your comments and tell who you think is who...

A1

A2

A3

B1

B2
B3

C1
C2

The blog won't let me type for some reason under the above picture.

so we will name it D1 and the below one D2