THESAURUS
progenitor
ancestor, ancestors, ancestress, antecedent, antecedents, archetype, ascendant, ascendants, begetter, elders, fathers, forebear, forebears, forefather, forefathers, foregoer, forerunner, grandfathers, grandparent, grandparents, guide, origin, original, originator, parent, patriarchs, pattern, precursor, predecessor, predecessors, primogenitor, procreator, progenitors, progenitress, progenitrix, prototype, source
ROGET THESAURUS
progenitor
Paternity
N
paternity, parentage, consanguinity, parent, father, sire, dad, papa, paterfamilias, abba, genitor,
progenitor, procreator, ancestor, grandsire, grandfather, great- grandfather, fathership, fatherhood, mabap, house, stem, trunk, tree, stock, stirps, pedigree, lineage, line, family, tribe, sept, race, clan, genealogy, descent, extraction, birth, ancestry, forefathers, forbears, patriarchs, motherhood, maternity, mother, dam, mamma, materfamilias, grandmother, paternal, parental, maternal, family, ancestral, linear, patriarchal, avi numerantur avorum, happy he with such a mother, hombre bueno no le busquen abolengo, philosophia stemma non inspicit.