Magnus Ladulås
| Magnus Ladulås | |
|---|---|
| Bust of Magnus as duke at Skara Cathedral | |
| King of Sweden | |
| Reign | 1275 – 18 December 1290 | 
| Predecessor | Valdemar | 
| Successor | Birger | 
| Born | c. 1240 | 
| Died | 18 December 1290 (aged c. 50) | 
| Burial | |
| Spouse | Helvig of Holstein | 
| Issue more... | |
| House | Bjälbo | 
| Father | Birger Jarl | 
| Mother | Ingeborg Eriksdotter of Sweden | 
Magnus Ladulås (pronounced [l'ɑːdɵloːs], lit. 'Barnlock') or Magnus Birgersson (c. 1240 – 18 December 1290) was King of Sweden from 1275 until his death in 1290.
He was a son of Birger Jarl, and became a king after a rebellion against his brother Valdemar. He was succeeded by his ten-year-old son Birger Magnusson with Torkel Knutsson acting as his guardian.
Medieval Swedish kings did not use regnal numbers as part of their title. In modern literature he may be referred to as either Magnus I or Magnus III.