She was born Mary Davis, in poverty and of unknown parentage.

There are a plethora of people with unknown or mistaken parentage in the story.

Because he was of unknown parentage, the tribe demanded it of him.

After outcrossing to a cat of unknown parentage, at least three generations must be bred to establish a full pedigree record.

Ellidyr disdains Taran for his place on the farm and his unknown parentage.

I've no wish for someone of unknown parentage to inherit after my death.

That was acquired by an American gentleman of not unknown parentage for twenty-two thousand guineas.

Those born in Iran of unknown parentage.

Noble his mother was, and near the throne; But, what his father's parentage, unknown.