See the reference to Capt. Marshall at this site.
http://books.google.com/books?ie=ISO-8859-1&output=html&id=rSDYvhNgKyAC&dq=winbush+plantation&pg=PA18&lpg=PA18&sig=ACfU3U2RnE6-8mTQxYW64siKD__nVG5qVw&q=winbush