Erik XIV or Eric XIV became King of Sweden following the death of his father, Gustav I, on 29 September 1560. During a 1568 rebellion against him, Erik was incarcerated by his half-brother John III. H
Portrait by Domenicus Verwilt, 1561
Erik's parents, King Gustav I and Queen Catherine, as depicted on their grave monument
The Sture murders in Uppsala, Sweden, of 24 May 1567, were the murders of five incarcerated Swedish nobles by Erik XIV of Sweden, who at that time was in a state of serious mental disorder, and his gu
Erik XIV
…eventually led to insanity. Some scholars claim that his illness began early during his reign, while others believe that it first manifested with the Sture murders. Erik, having been imprisoned and deposed, was most likely murdered. An examination of his remains in 1958 confirmed that he probably died of arsenic…