antecessor

noun2

1. •
   (no longer used) A person or thing that precedes or goes before.

   • Yet who says, I have faith in the existence of George II., as his present Majesty’s antecessor and grandfather? — 1810
2. •
   (no longer used) A person from whom one is descended.

   • […] some, hath iudged wrongfully As in reproche, of our country Deniyng playne, moste noble Brute Our antecessor our stocke and our frute. — 1547