In the Northern Wars the United Provinces sent an expeditionary force to support Denmark in the war against Charles X of Sweden. In the Battle of the Sound on 8 November 1658 the Dutch fleet, commanded by Lieutenant-Admiral Jacob van Wassenaer Obdam, defeated a Swedish fleet and relieved the siege of Copenhagen. Van Wassenaer's flagship was ; De With commanded the van in "Brederode"; attacking the enemy without proper knowledge of the shoals he grounded his ship (after damaging "Leoparden" so much that this enemy vessel subsequently was lost by fire) and was surrounded; after many hours of fighting, "Brederode" was boarded by "Wismar" and De With mortally wounded. The partially burnt wreck was deemed unsalvagable.