i Register
In some senses, genitor is marked as obsolete. Watch for register when choosing this word.
noun
a biological parent (either male or female), or the direct cause of an offspring.
a generator; an originator
[…]prophane legends (though termed by their Genitours and forefathers, Aureæ Legendæ, Golden Legends)[…]
The genitals
The same[…]healeth all paine and swellings of the genitors or stones.