unfathered[adjective]Synonyms: illegitimate, baseborn, bastard, fatherless, misbegotten, natural, spurious, supposititious
[TahlilGaran] English Synonym Dictionary ▲
un·fa·thered (

n-fä
thərd)
adj.► ■ Having no father; fatherless.
■ Having no known father; illegitimate.
► Of uncertain origin or authenticity:
unfathered rumors. [TahlilGaran] American Dictionary ▲