Zalewski
- Name resource center, including facility to add research interests and associated links.
- http://www.zalewskifamily.net/

Zacuto
- Descendants of Abraham Zacuto, mapmaker for Christopher Columbus, as compiled by Nina Rebecca Zacuto, CA USA. Branches spread across Turkey, Amsterdam, Israel, Argentina, Brazil and the USA.
- http://familytreemaker.genealogy.com/users/z/a/c/Nina-Rebecca-Zacuto/

Zaagman Family: Netherlands
- Ancestral pedigree compiled by Robert Willem Zaagman, Rye, NY USA.
- http://familytreemaker.genealogy.com/users/z/a/a/Robert-W-Zaagman/

Zaenger, Zänger and Zenger Roots
- Tracing the lineage that emigrated from Switzerland to Alsace about 1690, arriving USA pre 1854. includes surnames Conold, Dunbar, Feuer, Frazier, Hirtzel, Jung, Kaemph, McKee, Onold, Peter, Propheter, Treuschel and Walter.
- http://familytreemaker.genealogy.com/users/z/a/e/Ian-C-Zaenger/

Zaluska-Zaluski
- Descendants of Maciej Zaluska circa 1823-1888; compiled by Ted Zaluski.
- http://familytreemaker.genealogy.com/users/z/a/l/Theodore-M-Zaluski/

Zellhöfer: Zell Tree
- Researching the name Zellhofer and variants Zellhoefer, Zelhofer, Zellhofer and Zilhaver. Featuring the various lineages originating from Austria and later Bavaria and the USA. Researched and compiled by Ron Klotz-Zellhoefer.
- http://www.zelltree.com/

Zouche, Castle La
- Single name study including the variants La Zouch, Zouch, Sutch, Syche, Souche, Souch, Suche, Sooch, Soache, Soach, Shuck, Shucks, Chuck and Chucks. Lady of the castle is Jill Van Der Reyden.
- http://castlelazouche.bravepages.com/

Zuber
- Family lineage of Craig and Cheri Zuber. Includes photographs, pedigree charts, tombstone information, family tree and guest book.
- http://freepages.genealogy.rootsweb.com/~zuber/

Zizzi
- Maternal ancestry of Perry Vito Zizzi including the surnames Stancliff, Hartshorn, Van Camp, Haynes, Peek and Fisher.
- http://familytreemaker.genealogy.com/users/c/o/r/Laura-L-Coreleto/

Zigelboim, Krotman and Kamm Families
- History, pedigree, photographs and associated information pertaining to the family roots in Rejoweic, Lublin, Poland. Site is available in both Hebrew and English. Extended family tree includes over 17,000 names.
- http://www.krotman.co.il/

Zemel
- Family history, pedigree, records and photographs.
- http://www.zemel.org/

Zsedeny
- Family history of Garnett Joe Zsedeny. Includes census, church and newspaper records, and ahnentafels for Newell, Zedney and Shaw.
- http://www.rootsweb.com/~jzed/home.htm

Zwieners of Texas
- Ancestral research including surnames Herreras, Porterfields, Pawvliks and Rodriguez. Compiled by Kelly Lee Zwiener Porterfield.
- http://familytreemaker.genealogy.com/users/p/o/r/James-Porterfield/

Zeisset: Washington DC
- Ancestral history from Germany to the USA, compiled by Paul Zeisset. Includes spelling variations of Zeiset, Zeisert and Zeissett.
- http://home.earthlink.net/~zeisset/

Zopp Family
- Researching the lineage which settled in Maryland, Virginia and West Virginia USA. Includes information on the village of Zopp, a suburb of Alsdorf, Germany.
- http://freepages.genealogy.rootsweb.com/~azopp/

Zeth
- Descendants of John Ulrich Zeth 1758-1820, from Bellings, Germany to Claysburg, Blair County, Pennsylvania. Compiled by Bob Hudson, San Diego, California.
- http://www.bobhudson.com/zeth/

Zanderigo Family
- Descendants of Appollonio Zanderigo from Comelico Superiore and Andreis Italy to Auckland New Zealand.
- http://homepages.ihug.co.nz/~mauro

Zelek: Tracing Our Heritage
- Family history compiled by Mark Clarence and Cheryl Ann Zelek, Cary, NC USA. Includes surnames Andrzejek, Assemani, Bresbois, Bukowicz, Goryl, Graham, Hellenger, Keder, Stach, Zebarah and Zibari.
- http://freepages.genealogy.rootsweb.com/~zelek/

Zorger
- Ancestral research compiled by Hugh and Marian Zorger. Includes photographs and surnames Blaszczak, Sollee and Yancey.
- http://ourancestry.com/

Zellner
- German-American ancestral research including spelling variations of Zoellner, Zollner, Zelner and Sellner. Compiled by Michele H Mills.
- http://freepages.genealogy.rootsweb.com/~zellner/