| Hedvig of Holstein | |
| Countess of Oldenburg | |
| Noble Family: | House of Schauenburg |
| Father: | Gerhard VI of Holstein-Rendsburg |
| Mother: | Catherine Elisabeth of Brunswick-Lüneburg |
| Spouse: | Balthasar of Mecklenburg Dietrich of Oldenburg |
| Issue: | King Christian I of Denmark Maurice V of Delmenhorst Gerhard VI, Count of Oldenburg Adelheid, Countess of Hohenstein and Mansfeld |
| Birth Date: | 1398 |
| Burial Place: | St. Lambert's Church in Oldenburg |
Hedvig of Holstein[1] (German: Heilwig,[2] Danish: Hedevig; 1398–1436) was a duchess of Schleswig and a countess of Holstein from the family of Schauenburg.She was the mother of King Christian I of Denmark and ancestor of the Danish Royal houses of Oldenburg and Schleswig-Holstein-Sonderburg-Glücksburg.[3] [4]
She was a daughter of Gerhard VI of Holstein-Rendsburg and his wife, Catherine Elisabeth of Brunswick-Lüneburg. Her brother was Adolf VIII/I, Count of Holstein/Duke of Schleswig. Through their father, they were cognatic descendants of King Eric V of Denmark (1249–1286) while through their mother, they were cognatic descendants of King Abel of Denmark (1218–1252).[5] Through their father, they were also descendants of King Magnus III of Sweden.
On 18 April 1417 Hedvig was married to Prince Balthasar of Mecklenburg, who died of the plague in 1421. In 1423 she was married to Dietrich, Count of Oldenburg. From her second marriage she had the following children: