Present-day towns in the territory include Leerdam, Arkel, Heukelum, Asperen, Hagestein, Haastrecht and Gorinchem.
He left the lordship Ter Leede (presumably located just south of modern Leerdam) to his younger brother.
In 1272, the port of Gorinchem was bought from the lord of Bentheim, which allowed for toll collection on the Lek and Merwede rivers.
In 1290, John II dedicated his castle at Gorinchem to his feudal liege lord, Floris V, count of Holland, in deference to his authority.
The power of the Lords of Arkel was at its highest at the end of the 14th century; the fortress on the eastern bank of the city of Gorinchem becoming known as The Imperial Castle.
The Duchy of Gelderland, the County of Holland and the Prince-Bishopric of Utrecht watched grudgingly as the economic and military powers of the fiefdom grew.