Sevens.

[sarah barthell]

No: HPFGUIDX 159832

> Sarah  Barthell wrote:
> > There are seven Weasley children: Bill, Charlie, Percy, Fred,
> > George, Ron, and Ginny.
>
> Secca adds:
> Jo said somewhere in an interview that she was playing off the
> old "seventh son of a seventh son" myth... Ginny is the first
> female in a while in the Weasley family, and is the seventh
> daughter... <snip>

Sarah:
I just figured out that seven is the number of times Hogwarts
had to send letters to Harry with the seventh time being brought
by Hagrid. I know this means nothing. I just thought I'd point
it out.