[hackerdues]

> Even more scary: without any living relatives,

I wonder if that is at all possible. Could there be someone alive today who has no blood kin ( father, mother, siblings, uncles, aunts, cousins 1st, 2nd, etc )?

[kmoser]

Everybody has relatives. The question is how distant and whether DNA testing will be useful.

[Viliam1234]

Anyone from an orphanage, for starters.

[krisoft]

Not necessarily. Many who grows up in an orphanage has living relatives.

For example many who are in an orphanage has living parents, but the social services and the courts have decided to take them into care for their own safety.

[syndicatedjelly]

23 and Me was working on a leaderboard of the most isolated people in the world before they went bust