Progenitor

grondlegger

(someone who originates something)

patriarch

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

stamvader

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

stamvorm

(an ancestral form of a species)

stichter

(someone who originates something)

voorafbeelding

(a predecessor of something)

voorloper

(a predecessor of something)

voorouder

(any of a person's direct ancestors)

voorvader

(any of a person's direct ancestors)