|Title||Lord of Maidenpool|
|Allegiance|| House Mooton|
|Book(s)||The World of Ice and Fire (mentioned)|
Jon became Lord of Maidenpool when his brother was killed in combat against Aegon I Targaryen. Jon yielded Maidenpool to House Targaryen after the battle, becoming one of the first adversaries to join Aegon's cause. Lord Mooton commanded the Targaryen army during the Field of Fire, as Aegon took to the skies on Balerion.