Come on guys, give Splane a break! He clearly explained why a baby isn't part of the generation:
Because a baby wouldn't be able to understand that leaves mean that a new season is coming. Only when you are old enough to understand what leaves mean are you considered part of a generation.
The question is, who knows when a child fully grasps the 4 seasons and what leaves mean? Is it when they are 4? 5? 6? Let's wait and see...