You may need to register [free] on familysearch,org to view. Obit says m Pr Wm Co, but VA Marriages says Frederick Co. I'm assuming this Co is where her relatives lived, so thecourt in Winchester should hold the guardianship records, if available. Or, you could try one of these folks [fee] http://www.winfredclerk.com/geneo.htmhttp://www.winfredclerk.com/geneo.htm
Have you contacted Muskingum Co for a possible marriage record?I would send for Evaline's DC 1st.