Direct ancestor (10)
I believe the answer is:
progenitor
(Other definitions for progenitor that I've seen before include "Forefather" , "dad" , "founder" , "Ancestor" , "Forebear" .)
I believe the answer is:
progenitor
(Other definitions for progenitor that I've seen before include "Forefather" , "dad" , "founder" , "Ancestor" , "Forebear" .)