Thanks everyone!
@N-Marie & Rabbit
That's a really good point, we were thinking along those lines too. I think it will be good that they will have each other, especially as they will be alone a few hours in the morning during the week (with the exception of my Oma).
@Linda
The names were chosen by my brother and sister. Both love Harry Potter (I do too). I remember that the fifth book was the very first regular book I read in English. Because I couldn't wait for the translation!
@Echo
Agree with everything you said about the boots. And oh no - allergies aren't fun at all.