Valdemar I Knudsen, also known as Valdemar the Great, was King of Denmark from 1154 until his death in 1182. The reign of King Valdemar I saw the rise of Denmark, which reached its medieval zenith under his son King Valdemar II. Wikipedia
Born: January 14, 1131, Gardariki, Istra, Russia
Died: May 12, 1182 (age 51 years), Vordingborg Castle, Vordingborg, Denmark
Full name: Valdemar I
Great grandchildren: Eric V of Denmark, Valdemar, King of Sweden, Magnus III of Sweden, and more
Grandchildren: Abel, King of Denmark, Eric IV of Denmark, Christopher I of Denmark, and more
Parents: Canute Lavard and Ingeborg of Kiev