Need help Kunhilde of Rügen & Kunhilde von Rügen

Need help the some seem to one in same yet not completely sure -

@Kunhilde of Rügen MP
Birth: circa 705 Rügen, Germany
Death: circa 755 (42-58) Germany
Daughter of Gündelhard von Rügen and Gerswinde von Alemannien
Wife of @Weybrecht of the Saxons
Mother of
Bruno of Saxony;
@Widukind circa 735-January 7, 807 and
Irminhild von Sachsen

@Kunhilde of Rügen
Birth: 720
Wife of @Weybrecht of the Saxons
Mother of Emhild Engern

@Kunhilde of Rügen ??male should be possibly female???
Birth: 715 Sachsen, Germany
Death: Niedersachsen, Germany
Father of @Widukind 735-809

@Kunhilde of Rugen
Wife of @Warnechin C of Engern
Mother of @Wittekind I Duke of Saxony no dates

@Princess Kunhilde Ruegen (von Ruegen)
Birth: circa 705
Death: circa 755 (42-58)
Daughter of Bellung von Wenden and Dobrugera Wenden
Wife of @Widukind circa 735-
January 7, 807
Mother of
Hasalda of the Saxons and
Lundolph the Great, 3rd son of Wittekind