He left the city in 1533, during the Münster rebellion by the Anabaptists, and returned after order had been restored.
In addition to murals and decorative works, he was widely respected as a portrait painter.
He and his wife both died during an epidemic of the plague on Palm Sunday in 1547.
One of his largest projects involved a tableau of fifteen sibyls and prophets who foretold the coming of Christ.
Many experts suggest that these were actually copies made by Ring after the original series by Robert Campin (from 1435) had been damaged or destroyed by the Anabaptists.