CAREL N. VIERHELLER On Wednesday, March 25, 2020. Wife of the late John Vierheller; beloved mother of John (Gina), Mark and Michael (Denise) Vierheller; grandmother of Alex, Megan, Stephanie, Jessica, and Giana; great-grandmother of Lily; sister of Margaret Mock and the late Frank Shepard. Funeral Private. A memorial event will be announced at a later date. Arrangements by WINTER FUNERAL HOME, PC. Send condolences post-gazette.com/gb