Wie trouwde met Frederik IV van Sleeswijk-Holstein-Gottorp?

Frederik IV van Sleeswijk-Holstein-Gottorp (Sleeswijk, 18 oktober 1671 - Klissow, 19 juli 1702) was van 1695 tot aan zijn dood hertog van Sleeswijk-Holstein-Gottorp. Hij behoorde tot het huis Sleeswijk-Holstein-Gottorp.

Hedvig Sophia Augusta of Sweden (26 June 1681 – 22 December 1708), Duchess of Holstein-Gottorp, was the eldest child of Charles XI of Sweden and Ulrike Eleonore of Denmark. She was heiress presumptive to the Swedish throne from her birth until that of her brother one year later and again from the start of his reign as King of Sweden, in 1697, until her death and the regent of the duchy of Holstein-Gottorp for her minor son from 1702 to 1708. Some sources refer to her as Sofia.