Johann II added much to the Liechtenstein Princely Collections. Although considered a prominent patron of the arts and sciences during his long reign,Portal of the Principality of Liechtenstein – Princely House – Prince Johann II . Retrieved 16 December 2007 Johann II was also considered to be rather unsociable and did not participate in social events. He never married or had any children, like several other members of his family.Prince Johann II. Retrieved 16 December 2007
