Prince Poniatowski left no issue but a natural son, born in 1790.

He was a natural, heroic son of a gun.

He gave the name Franquemont to five of his natural sons.

Further research turns up a well-born man, apparently a natural son of someone in high places, with powerful friends who guide his life.

Isaac had been a gift of God but not his natural son.

Michael had been Sean's natural son, made in the belly of his brother's wife.

If it had been a natural son, they could've used medical tests.

He was the natural son and adopted heir of the third Earl.

He did however have two natural sons, named Robert and John.

Before departing, he legitimated a natural son born in 1500 and made his will.