I want Ted and Robin together so badly, honestly I wish I didn’t sometimes. Anyways, I was thinking that Robin could possibly be the mother. Don’t doubt me just yet, it is somewhat reasonable.
What if… Ted is referring to his children’s biological mother? We know that Robin can’t have kids, so what if they do end up getting married, but they either adopt or have a different birth mother?
I know it still doesn’t answer why they call her aunt Robin, but I could be onto something right? Maybe?