Progenitor

Ahn

(any of a person's direct ancestors)

Erzeuger

(someone who originates something)

Erzeugerin

(someone who originates something)

Stammvater

(an individual from which (a) people(s) descend)

Urahn

(an individual from which (a) people(s) descend)

Vorfahr

(any of a person's direct ancestors)

Vorfahr

(an individual from which (a) people(s) descend)

Vorfahr

(an ancestral form of a species)

Vorfahre

(any of a person's direct ancestors)

Vorfahre

(an individual from which (a) people(s) descend)

Vorfahre

(an ancestral form of a species)

Vorläufer

(a predecessor of something)