Charles Frederick of Holstein-Gottorp
Duke Charles Frederick of Holstein-Gottorp, Karl Friedrich (1700-1739) was the son of Frederick IV of Holstein-Gottorp and his wife, Princess Hedwig Sophia of Sweden. He became duke in infancy, when his father died in 1702.
He was married to Anna Petrowna, Grand Duchess of Russia, daughter of Tsar Peter I. Their son Charles Peter Ulrich, who succeeded as Duke of Holstein-Gottorp in 1739, eventually became Tsar in 1762 as Peter III.
