Most children fathered by a monogamous monarch

- Who
- Prince Hartmann
- What
- 21 people
- Where
- Liechtenstein
- When
- 1686
The most prolific monogamous royal was Prince Hartmann of Liechenstein (1612-1686), who had 21 children by Countess Elisabeth zu Salm-Reifferscheidt (1623-1688).