I’d always thought genealogy was like needlepoint, aqua aerobics, or The Mentalist: not really for my demographic.
Then, a year ago, I received a fascinating and somewhat alarming e-mail. It was from a man who said he was a dairy farmer in Israel— and my 12th cousin. Naturally, I thought he was going to ask me to wire $10,000 to a secure bank account in Lagos.
Instead, it turns out, he’s part of the new breed of family researchers who harness technology, such as DNA tests and Wikipedia-like collaborative Web sites, to create super-family trees— actually, family jungles is a better metaphor.
On sites like Geni, FamilySearch, and WikiTree, you can combine your little personal tree with preexisting trees. The results are these interlocking jungles spanning 160 countries. The biggest…
