Jan Willemszoon

Jan Willemszoon is the notional Head of the House of Knootcap, consisting of the descendants of the Knootian stadhouders, excluding those descended through Amalia of Knootcap, who are part of the Iesian House of Priestus instead and who renounced their Knootian inheritance as part of the treaty with Iesus Christi following the Knootian war of succession. His only son, also named Jan Willemszoon, died in 1987, after fathering two grandchildren, Amalia Willemszoon and Maurice Willemszoon.