Harry Potter Preferences

What age you have your first kid.

Harry: 23

Ron: 21

Hermione: 29

Mattheo: 22 ( You had kids before marriage)

Oliver: 25

Neville: 28

Fred: 21 ( You had kids before marriage)

George: 29

Draco: 22

Cedric: 24

Tom: 20

Luna: 25 (You had kids before marriage)

Ginny: 24