Brian, an adoptee raised in California, used 23andMe to find first his brother JJ and then two more brothers and two sisters. They all met this year in Ohio for a reunion.

Abandoned in Korea, siblings Justin and Renee reunite after 34 years later using 23andMe.

Today on National Siblings Day, we wanted to revisit a few of our favorite stories about brothers and sisters who built new connections with the help of 23andMe.

23andMe helps identical twins separated at birth reunite.