By an unnamed mistress or mistresses he also had several illegitimate children, two of whom he named in his will.

Henry had a daughter with an unnamed mistress.

Regardless, Jane plotted with Anne to banish one of the King's young unnamed mistresses from court in 1534.

However, Sam remembers Buddy as a distant parent who cheated on his mother with an unnamed mistress.

He also had an illegitimate son by an unnamed mistress:

She had in addition to her seven legitimate siblings, one half-brother, Adalbert, born of her father's relationship with an unnamed mistress.

Anna had also at least two illegitimate half-brothers by her father's liaison with an unnamed mistress.

By an unnamed mistress, Alexios also had at least two illegitimate sons:

By a relationship with an unnamed mistress, Carlo had five illegitimate sons:

King Janus had three illegitimate children by an unnamed mistress.