He had an illegitimate son in 1900 who died several weeks after birth.

He was an illegitimate son whom his mother named Thomas.

It is revealed that they have an illegitimate son together.

He appears to have had limited contact with his illegitimate son.

These arms would be later inherited by his illegitimate son, William.

He could simply use the fact of the illegitimate son.

In 1719 he became a father again, as a servant girl gave birth to his illegitimate son.

"So news of an illegitimate son wouldn't have helped the negotiations," said King.

He was introduced as an illegitimate son who never saw his father until after the latter's death.

She has an illegitimate son with someone else, who dies shortly after.