some spectacular controvery/discussion whetyer this is the right William and who were the wives and kids (see last source)
http://genforum.genealogy.com/kerley/messages/625.html
http://genforum.genealogy.com/carley/messages/673.html
http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=doramitochondria&id=I139