Fredegund or Fredegunda was the queen consort of Chilperic I, the Merovingian Frankish king of Neustria. Fredegund served as regent during the minority of her son Chlothar II from 584 until 597.
Fredegund as depicted in her funerary effigy at the Basilica of Saint-Denis
Fredegund and Rigunth, steel engraving from Mme de Witt, Vieilles histoires de la patrie, 1887
Brunhilda was queen consort of Austrasia, part of Francia, by marriage to the Merovingian king Sigebert I of Austrasia, and regent for her son, grandson and great-grandson.
Fredegund
…murderous and sadistically cruel, and she is known for the many stories of her cruelty, particularly for her long feud with her sister-in-law queen Brunhilda of Austrasia. Fredegund was born into a low-ranking family but gained power through her association with King Chilperic. Originally a servant of Chilperic's first…
The strangling of Queen Galswintha by Chilperic I.
Brunhilde is dragged to her death
The murder of Brunhilda, from De Casibus Virorum Illustrium, attributed to Maître François, Paris, c. 1475
Tomb of Brunhilda in the abbey church before 1790 (early 19th-century engraving by Alexandre Lenoir)