All right, let's say some distant descendants of the Six are still around by then, telling blurry legends about something that happened long ago.
The children are revealed to be their distant descendants, brought back in time by an alien race.
Or was some distant descendant of the Dysons taking control?
This term is sometimes used for more distant descendants of Atreus.
In some cases, royal family membership may extend to great grandchildren and more distant descendants of a monarch.
They were, indeed, in exactly the same position in which the distant descendants of the human race may one day be expected to find themselves.
The immortal lost their tracks but would much later locate their distant descendants.
There is an alternative, though, for those who are concerned about their financial legacies to distant descendants.
When this seeding mission was done, perhaps in another hundred thousand years, their distant descendants would return.
It makes a project carried out by our very distant descendants more difficult, perhaps impossible.