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: 1 bronze
(bronze) Voitto Hellsten (a.k.a. Valdemar)   1956   400 m  
Other Royalty: 1 prince
Christian of Denmark (a.k.a. Valdemar)   2005-   Denmark  
Swedish Kings and Queens: 1 king
King Valdemar   1250-1275