|King of Sweden|
|Reign||1275 - December 18, 1290|
|Predecessor||Valdemar of Sweden|
|Successor||Birger of Sweden|
|Died||December 18, 1290 (aged 49–50)|
Magnus III (1240 - December 18, 1290) was King of Sweden from 1275 until 1290. Not much is known about his early life. It is believed he was born around 1240 in an unknown location.
Children[change | change source]
One of his children was Birger of Sweden (1280 - May 31, 1321).