Pendant portraits of Maerten Soolmans and Oopjen Coppit by Eugène Fromentin in 1877 with the remark that they were examples of Rembrandt at his best and were painted in the same period that Rembrandt painted his "Anatomy Lesson of Dr. Nicolaes Tulp", traditionally marking the beginning of his career in Amsterdam. Clearly, the flamboyance of these young newlyweds did more to launch Rembrandt's career as a portrait painter for the Amsterdam upper class than his sober depiction of a class of serious students in Leiden. The entire Van Loon collection was sold to Rothschild for 40,000 pounds, which at the time was over a million francs. Wilhelm von
Dirck Tulp changed his lifestyle and prevented dismissal. In 1676, he was made a baronet by Charles II, paying a large amount of money. He was appointed as colonel in the Schutterij, the Dutch volunteer city guard. As a widower, he remarried Katharina Resteau. From that marriage came four children, but both sons, twins, died young. His second wife was painted twice. With the death of Dirck Tulp the male line of the Tulp family died out. Dirck's daughter would later marry the mayor of Amsterdam, and specialist in trade with Russia, Nicolaes Witsen. Dirck Tulp Dirck or Diederik Tulp (1624–1682) was