Already in 1675 he had an argument with the stadholder. Many Jews supported the House of Orange, and were in return protected by the stadholder. Later, it was gifted to stadholder Willem IV. On his release, Knipperdolling was named Stadholder (vice-king and governor) and executioner. When William IV was proclaimed stadholder (1747), the Jews found another protector. The Stadholder, Frederick Henry, Prince of Orange bought landscapes in 1632. Stadholder William V was returned to his position. She was looking to commemorate the Stadholder after his death in 1647. Later he was also Stadholder of Overijssel, Drenthe and Groningen. In 1682 he was appointed special negotiator to France by stadholder William III of Orange. For Stadholder William the Silent, he deciphered secret messages that were intercepted from the Spaniards. In March 1647, Mary's husband, William II, succeeded his father as stadholder.