Prince Ulrik John of Denmark, born in Koldinghus Palace on December 30, 1578, was the son of King Frederick II of Denmark and Sophie of Mecklenburg-Güstrow. Despite being the second-born son, he held the titular rank of Duke of Holstein and Schleswig, Stormarn, and Ditmarsh. In 1602, he became the Bishop of Schleswig and later the Administrator of the Prince-Bishopric of Schwerin. Ulrik's education and sustenance were carefully planned by his parents and grandparents. He was tutored by esteemed educators and traveled abroad for studies, gaining valuable experiences and knowledge. His succession and election as the administrator of the prince-bishopric involved intricate negotiations and agreements between his family members and the chapter. Ulrik's travels and studies abroad contributed to his growth and development, as he diligently adhered to the conditions set by his family. His journey included visiting relatives and studying at the ducal Julius University of Helmstedt. The election capitulation, similar to those signed by other administrators, was conceptualized to ensure a smooth transition of power. Prince Ulrik John of Denmark's life and endeavors were shaped by the careful planning and negotiations of his family, contributing to his eventual roles as Bishop and Administrator.

Prince Ulrik of Denmark (2 February 1611 – 12 August 1633) was the son of King Christian IV of Denmark and Norway and Queen Anne Catherine of Brandenburg. Despite being the fourth-born son, he was appointed as the administrator of the Prince-Bishopric of Schwerin as Ulrich III in 1624. However, Wallenstein's conquest of the prince-bishopric in 1628 led to his deposal. He also had a brief military career, serving under King Gustavus II Adolphus of Sweden during the Polish–Swedish War. Ulrik's ecclesiastical career included receiving prebendaries in Lutheran-ruled prince-bishoprics and attending Sorø Academy. His involvement in various political and military activities reflected the turbulent times of the Thirty Years' War, during which he faced challenges and losses, such as the renouncement of his prince-episcopal positions stipulated in the Treaty of Lübeck in 1629. Ulrik's life was marked by his attempts to navigate through the complex political and religious landscape of his time, striving to uphold his family's interests and facing the consequences of the ever-changing fortunes of war.

Ulrik Huber (1636–1694), also known as Ulrich or Ulricus Huber, was a renowned law professor and political philosopher. He began his academic career at a young age, serving as a professor of Eloquence and History at the University of Franeker before transitioning to the position of law professor. Huber's influential work, De jure civitatis libri tres, extensively explored legal grounds for slavery and made significant contributions to the study of Roman law. His comprehensive overview of the law system of Friesland, presented in Heedensdaegse Rechtsgeleertheyt, solidified his reputation as a legal scholar. Huber's engagement in the public discourse about the Frisian constitution and his treatise on the conflict of laws further enhanced his prominence in the field. His impact extended beyond his lifetime, with his works continuing to shape English and American jurisprudence. Huber is celebrated as the greatest jurist of the Dutch province Friesland, and his legacy is honored through the naming of an institute at the University of Groningen's Faculty of Law in his honor.

Rolf Ulrik Jansson, born on 2 February 1968, is a well-known ex-footballer from Sweden, renowned for his versatility as a midfielder. Commencing his professional journey with Östers IF, he later made a pivotal move to Helsingborgs IF in 1994, achieving the prestigious title of Swedish champion in 1999. His exceptional skills led him to represent Sweden in the 1990 FIFA World Cup, earning a total of six caps during his illustrious career. Notably, Jansson hails from a football-centric family, being the brother of former professional footballer Jesper Jansson and the uncle of the talented professional footballer Kevin Höög Jansson. For more about his career statistics and international achievements, references can be found at home.swipnet.se (in Swedish), Ulrik Jansson at WorldFootball.net, and Ulrik Jansson at the Swedish Football Association (in Swedish). Jansson's legacy in the world of football continues to inspire and resonate with fans and players alike.

Ulrik Adolf Holstein, Greve til Holsteinborg (14 April 1664 – 21 August 1737) was a prominent Danish nobleman and statesman. Born in Schleswig-Holstein, he quickly rose to favor and prominence, becoming a noble in 1700. His career was marked by various appointments and acquisitions, including the Barony of Fuirendal in 1700, Holsteinborg and Snedinge manors in 1707, and the title of Count of Holsteinborg in 1708. Notably, Holstein served as Grand Chancellor in 1721 and was involved in diplomatic missions to England in 1718.In his personal life, Ulrik Adolf Holstein married Christine Reventlow in 1700. Additionally, he played a role in the controversial abduction of his wife's sister, Anne Sophie Reventlow, who later became the second wife of King Frederick IV.Holstein's legacy is characterized by his significant political contributions and influential positions within the Danish court. His impact is further underscored by his involvement in key diplomatic endeavors and his role in the monarch's personal affairs.