Danish Kings and Queens: 4 kings
King Valdemar I the Great   1157-1182  
King Valdemar II the Victorious   1202-1241  
King Valdemar III   1326-1330  
King Valdemar IV Atterdag   1340-1375  
Olympic Medalists: 2 bronze, 1 gold
(gold) Eric Lemming (middle name Valdemar)   1908; 1912   javelin throw; javelin throw - freestyle  
(bronze) Kurt Lundquist (middle name Valdemar)   1948   4x400 m relay  
(bronze) Voitto Hellsten (middle name Valdemar)   1956   400 m  
Other Royalty: 2 princes
Felix of Denmark (middle name Valdemar)   2002-2023   Denmark  
Christian, Crown Prince of Denmark (middle name Valdemar)   2005-   Denmark  
Swedish Kings and Queens: 1 king
King Valdemar   1250-1275