Frederick I of Sweden, born Friedrich I von Hessen-Kassel, to the house of Hesse (April 23, 1676 - March 25, 1751), and reigned as king of Sweden from 1720 to 1751. The Treaty of Nystad forced Sweden to cede Estonia and Livonia to Russia, in 1721.
Some historians have suggested that Fredirick fired the shot, generally claimed to have been a stray bullet, that caused the death of his brother-in-law Charles XII of Sweden in 1718.
He married his first wife, Luise Dorothee Sophie of Prussia (1680 - 1705), on May 31, 1700. His second wife, whom he married in 1715, was Queen Ulrike Eleonora of Sweden (1688 - 1741), daughter of Charles XI of Sweden (1655-1697) and of Ulrike Eleonore of Denmark[?] (1656-1693)
He had three illegitimate children:
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Preceded by: Ulrike Eleonora of Sweden | List of Swedish monarchs |
Succeeded by: Adolf Frederick of Sweden |
| List of Estonian rulers
List of Livonian rulers[?] |
Succeeded by: Peter I of Russia |