Adelaide of Savoy

Adelaide of Savoy (; c.1050/2 – 1079), In 1071 Adelaide cleared herself of the accusation of adultery in the presence of Pope Alexander II. Rudolf was required to reconcile with Adelaide. At the same time, Henry IV attempted to repudiate her sister Bertha, also without success.

In 1077, an assembly of revolting German princes elected Rudolf anti-king. He was crowned by Archbishop Siegfried I of Mainz on March 26, with Adelaide as his consort. When the Great Saxon Revolt broke out, Adelaide remained in Swabia, defending her husband's lands, whilst Rudolf campaigned against Henry IV in Saxony.

Adelaide died during the Easter period of 1079, apart from her husband at Hohentwiel Castle. She was buried in the monastery of St. Blasien.

Issue With Rudolf, Adelaide had at least four children: Agnes of Rheinfelden, married Berthold II of Zähringen Adelaide of Rheinfelden, married King Ladislaus I of Hungary Bertha of Rheinfelden, Countess of Kellmünz, married Ulrich X, Count of Bregenz Otto (died young) Berthold of Rheinfelden (disputed)