Collaborate on the World Family Tree

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Powerful Genealogy Tools to Help You Grow Your Tree

Collaborate on your family tree

Work Together

Add what you know, then invite your relatives to add the missing pieces. Seamlessly collaborate on a single shared tree with as many family members as you like.

Search for your ancestors

Find Your Ancestors

Everyone's related. Geni users have already created over 265 million profiles. Instead of repeating their research, you can share it and connect your trees together.

Automatic matches for your ancestors

Connect to New Relatives

Our automatic tree matches let you discover cousins who are researching the same shared ancestors that you are. Connect to new relatives easily to collaborate and share research.

Organize your genealogy documents

Stay Organized

Upload and store your family photos, videos, records, and sources on Geni. We make it easy to organize them by person or event and to share them with your relatives.

  • Thank you Geni! I have gone from not knowing anything about my father or his family to finding a whole tree of family.

    David Gillies, via Facebook

  • Start your own family tree on @geni. It is so easy, quick and fun to use. You'll start to compile your tree in no time!

    @ladwasagar, via X.com

  • Best genealogy site ever!

    Giancarlo Oppermann, via Google +

  • I love your site. This is what I have been looking for for a very long time. Plus, it's simple and very helpful.

    Wendy Smith-Villegas, via Facebook

Who's Using Geni?

Families

Families use Geni to work together on their shared family history, to stay in touch with family members, and be reminded of family birthdays and anniversaries.

Genealogists

Genealogists use Geni to collaborate with others on family history research.

Historians

Historians use Geni for documenting historical profiles and finding important family connections between historical figures.

Developers

Developers use Geni to build applications using data for over 265 million profiles contributed by 15 million users.

Geni's World Family Tree connects 194,377,691 people worldwide and counting, including:

Collaborative and Social Resources Help You Build Your Tree Faster

Genealogy Discussions

Geni users are very active in discussions, where topics range from collaboration to help for beginners. A wealth of genealogy knowledge is shared in the discussions, and this is a great place for new users to get a feel for what Geni can offer.

Genealogy Projects

Our Projects feature provides a workspace for genealogists with similar interests to collaborate, share learnings, and discuss challenges and discoveries. Projects can exist for specific lineages, surnames, broad interests, and much more.

Surnames

Surname pages allow users to quickly discover profiles, document, projects, or discussions where that surname is tagged. Surname pages are crowd-sourced, so every Geni member can contribute to the "About" text for any given surname.

The Geni Blog

Our frequently updated blog is a portal for learning about new features on Geni, discovering interesting profiles and projects, and getting to know notable members of the Geni community. Follow the blog by subscribing via RSS, liking Geni on Facebook, or following Geni on X.com.

Developers

For Developers

Geni offers the world's largest completely open and completely free API for genealogy data

Partner Applications

Partner Applications

See your Geni data at work in many complimentary mobile, web, and desktop applications