"Adelaide of Savoy (German: Adelheid von Turin; c.1050/2 – 1079), a member of the Burgundian House of Savoy, was Duchess of Swabia from about 1062 until 1079 by her marriage with Rudolf of Rheinfelden, who also was elected German anti-king in 1077." - (en.wikipedia.org 01.11.2019)
en