Rowena’s name means a tree with red berries, also known as little red head. It is a Latinized form of a Germanic name derived from the elements hrod “fame” and wunn “joy, bliss”. According a historian from the 12th-century, (Common Era) Geoffrey of Monmouth, The daughter of Saxon Chief Hegist also had the name Rowena. It was popularized by Sir Walter Scott, who used it for a character in his novel ‘Ivanhoe’ (1819). And now, Rowena is the Name of the king of hells mama in Supernatural.