A male forefather.
A father of someone's parent.
The archived older version of a file that immediately preceded the father file.
To retain discontinued laws or rules for (a thing, person or organization previously affected by them).
To be, or act as, a grandfather to.
A forefather, any of a person's direct ancestors.
A predecessor of something, especially if also a precursor or model.
A founder.
An ancestral form of a species.
Someone who originates something.
An individual from whom one or more people (dynasty, tribe, nation...) are descended.