There's a SEYS who's ancestors are from Belgium, doing research. Email me personally, and I'll send you his email address. There's also a lady in Wales doing a one name search on SEYS at firstname.lastname@example.org. Try BELGIUM-ROOTS-L@rootsweb.com. You might also find this account interesting of a Belgium family's ordeal through the 2 world wars at http://home.clara.net/clinchy/http://home.clara.net/clinchy/. GeoNome has maps of geographic distribution of family names. I don't have the web address.