The phrase "ancient parents" is correct and usable in written English.
It can be used in contexts discussing historical or mythological figures, or in a metaphorical sense to refer to the origins of a particular culture or tradition.
Example: "In many cultures, the stories of ancient parents shape the values and beliefs passed down through generations."
Alternatives: "forebears" or "ancestral figures".
Approximately 2.5 km east of the refinery, the topography changes (due to Lake Bonneville, an ancient parent inland sea), whereas at 2.5 km west of the refinery the land use transitions from mixed suburban and agricultural use to solely agricultural use.
Since ancient Sumeria, parents have been convincing babies to injest mashed-up, semi-pre-digested food stuffs by pretending their spoon is an airplane making its way into a hangar.
Perhaps she never really wanted to marry, only to escape the wearying cycle of Bishop's binge drinking, and to please "the Ancients," her parents.
The story is brutally comic in parts, and never more so than at the moment when it is revealed that — despite the fact that Gregor has been living more or less as an indentured servant to pay off his parents' ancient debts — the family has plenty of money; not enough to allow them to stop working altogether, but a proper little nest egg.
It's many years since I last read them, but I'd say the Foundation books were probably the first proper, grown-up science fiction I read as a teenager, picking up my parents' ancient paperbacks and seeing my horizons widen, instantly, as I fell into the world of psychohistorian Hari Seldon, the mutant Mule, and my favourite character: Arkady Darell, stowaway and teenage hero.
For the ancient world, one human parent was necessary to assure that a person was genuinely human, and from the beginning the human mother of Jesus Christ, the Son of God, has been the one to provide this assurance.
Amos Oz is an Israeli writer, and his story is set against the miraculous return of the Jews — including his East European Zionist parents — to their ancient homeland after centuries in Diaspora.
They cited their parents' observance of ancient belief systems like Confucianism, a set of moral principles that emphasizes scholarship and reverence for elders, as well as their rejection of child-rearing philosophies more common in the United States that emphasize confidence and general well-being.
If you are what you believe yourself to be (a great mind combined with an old soul who has every capability of the old college professor, or that ancient politician, or your own parents, etc...) then this should not be too difficult of a task.
