John Robbart, a 23-year-old from San Diego, Calif., has known he was conceived using a sperm donor for as long as he can remember. But, it wasn’t until after he joined the U.S. Marines and was about to be deployed, that Robbart decided to seek out the man who shared half of his DNA.
Reports of children tracking down their sperm donors and half-siblings have become increasingly common in recent years, as more young people use resources like Facebook, Google and the Donor Sibling Registry to track down their genetic relatives.
In 2003, when FoxNews.com first reported on the Donor Sibling Registry, the site had produced only 70 matches and had fewer than 2,000 members. But by 2007, membership had grown to 16,000 – and as of 2013 the site claims 42,000 registered users.
Read the full, original story: More children born from sperm donors seeking out genetic family