This article is from the All My Children FAQ, by Margaret Gibbs gibbsm@no_spam.poppyware.com with numerous contributions by others.
No. The confusion comes because Robin Mattson played the
character of Heather Webber on GH. However, the first portrayer
of H.W. was Georgette (or Georgianne?) LaPierre, who *is* Cher's sister.