Right, in the books there is no "First Generation" of teenagers. Everybody voluntarily re-freezes themselves because they are running out of food and can't grow more in their location, and they can't move because of too many abbies around. The 3rd book ends with Ethan reanimating way in the future.

I thought she kept saying nephew too, so I rewinded it and watched it back with captions. This is actually what she said- "All I saw was my sister in that field. She wasn't supposed to be there. She had a gun but they just swarmed her. She wasn't supposed to be there. I did it for him. I trusted him. And then…