Supernatural creature of the week: Was Rowena based on a real person?

The Scottish witch Rowena from the CW series Supernatural is loosely based on a Pagan woman who seduced and ruined a king in medieval Britain.

Rowena - Super-wiki

Rowena - Super-wiki

20 Most Memorable 'Supernatural' Adversaries

Supernatural: 10 Worst Things Rowena Has Done

Supernatural's Ruth Connell On Tonight's Rowena Bombshell And The End of the Road for the Winchesters

Rowena - Supernatural 🔥 @Ruth Connell #supernatural #spn #spnfamily

Supernatural 's@RuthieConnell Has Viewers Under Her Spell via @tdmiller820917 – TheNerdyGirlExpress

A Be-Witch-ing Tribute to Rowena: Her Top 10 Moments on 'Supernatural' - Nerds and Beyond

The Witch's Wings And Other Terrifying Tales (are You Afraid Of The Dark? Graphic Novel #1) - By Tehlor Kay Mejia (hardcover) : Target

Supernatural's Ruth Connell, aka Rowena, to Return for 'The Winchesters', Casting, Ruth Connell, Supernatural, The Winchesters

Supernatural creature of the week: Was Rowena based on a real person?

Doux Reviews: Supernatural: The Rupture