[TedDoesntTalk]

How can they link your family's DNA to you if they don't have a profile or account for you? How do they know you exist? And if they know you exist, how do they know you are related to that particular family without some DNA information about you to link to them?

[luma]

OSInt will happily fill in the rest. Even if you don’t have a social media footprint, your family does and they shoved their contact list, with you in it, to Facebook 10 years ago.