POSTERITY
posterity
(noun) all future generations
descendants, posterity
(noun) all of the offspring of a given progenitor; “we must secure the benefits of freedom for ourselves and our posterity”
Source: WordNet® 3.1
Etymology
Noun
posterity (usually uncountable, plural posterities)
All the future generations, especially the descendants of a specific person.
Source: Wiktionary
Pos*ter"i*ty, n. Etym: [L. posteritas: cf. F. postérité. See
Posterior.]
1. The race that proceeds from a progenitor; offspring to the
furthest generation; the aggregate number of persons who are
descended from an ancestor of a generation; descendants; --
contrasted with ancestry; as, the posterity of Abraham.
If [the crown] should not stand in thy posterity. Shak.
2. Succeeding generations; future times. Shak.
Their names shall be transmitted to posterity. Shak.
Their names shall be transmitted to posterity. Smalridge.
Source: Webster’s Unabridged Dictionary 1913 Edition