| progenitor(noun, origin, kin, descent, background) |
| father(noun, kin, precede, paternity) |
| predecessor(noun, kin, precede, antecedent, ancestor) |
| ancestor(noun, kin, precede, predecessor) |
| forebear(noun, origin, kin, descent, background) |
| precursor(noun, origin, descent, background, antecedent) |
| sire(noun, father, paternity) |
| primogenitor(noun, origin, descent, background, antecedent) |
| antecedent(noun, adjective, origin, kin, descent) |
| parent(noun, kin, precede, paternity) |
| ascendant(noun, kin, precede, antecedent, ancestor) |
| forerunner(noun, origin, descent, background, antecedent) |
| grandfather(noun, grandsire) |
| begetter(noun, ancestor) |
| dad(noun, person, individual, antecedent, ancestor) |
| founder(noun, originator, prototype, antecedent, organizer) |
| patriarch(noun, ancestor) |
| procreator(noun, paternity, ancestor) |
| creator(noun, paternity) |
| forebearer(noun, ancestor) |