Johanson Family Tree at http://awt.ancestry.com/cgi-bin/igm.cgi?op=GET&db=johanson&id=I45607 (Susan Johanson) speculates that Arthur Crocker, Sr. (d. 1794, Spartanburg Co., SC), who married one Mary Ann, is also a child of William and Katherine. A preliminary search of the One World Tree on Ancestry.com [http://search.ancestry.com/cgi-bin/sse.dll?rank=1&_8000C002=&_8000C003=&_80004002=Arthur&_80004003=Crocker&_80008002=&_80008003=+&rg_81004010=&gsbco=1%2CAll+Countries&gsbpl=1%2C+&_82004012=&_82004013=&_82004014=&_82004015=&rg_81004030=1794&gsdco=1%2CAll+Countries&gsdpl=1%2C+&_82004032=&_82004033=&_82004034=&_82004035=&_80018002=Mary+Ann&_80018003=&rg_81004020=&gsmco=1%2CAll+Countries&gsmpl=1%2C+&_82004022=&_82004023=&_82004024=&_82004025=&prox=1&db=owt&ti=0&ti.si=0&gl=&gss=&gst=&so=3 if you really wanted to know!] shows a few too many Arthur Crocker who died about 1794, married to someone named Mary Ann, with vastly varying parentage for me to comfortably include this speculation at this time. Maybe later...