One cousin that I assisted discovered that his father had died just 6 weeks before he made the connection. He was heartsick. Having data from all vendors simultaneously will allow you to compile that data and work with it together as well as separately. Using your “best” matches at each ...
MyHeritageprovides estimated relationships, a chromosome browser and the amount of shared DNA along with triangulation but no specific tool to determine whether another tester is a full or half sibling. One clue can be if one of the siblings has a proven second cousin or closer match that is a...