I think as a general rule, indigogo and kickstarter projects are better than kids/adults begging for sponsorship, as they work more like a pre-order or investment.
But the way this girl has done it is completely wrong. I think *one* e-mail to let people know you are running a marathon for charity / crowd funding a project/ whatever is OK, provided it is sent to people you already know (i.e. NOT your parents colleagues who you don't personally know) or who have expressed an interest.
After that, updates on your *own* facebook page / twitter account are fine, but follow up e-mails to others? Absolutely not.
I'd be inclined to respond to the daughter saying "My name seems to have been added in error to your mail shot, please remove it" And I would then be filtering her mails straight to my junk folder.