okay, they may be related, but will take some digging - i didnt find it. found your family at the rootsweb world connect site - http://worldconnect.rootsweb.com/cgi-bin/igm.cgi?op=GET&... u could contact them, as this your family-the 3rd wife melinga info must be wrong unless he a bigamist. but besides that-
here is the amsterdam rug co sanford family in detail. http://www.schenectadyhistory.org/families/hmgfm/sanford.htm...
as an aside -in 1870 stephen, and his wife sarah jane (gifford) and their kids john 19; william 17; henry 11; charles 7, live in amsterdam and his worth is abt 400,000$. when he died in 1913, he left the entire estate -
$40,000,000 to john - who pd taxes of $380,000