Beatrice of Vermandois (c. 880 – after 26 March 931) was a Carolingian aristocrat, queen of Western Francia by marriage to Robert I, and stepmother of Hugh the Great.
[1] She was also the sister of Herbert II, Count of Vermandois, and was a descendant in the male line of Charlemagne through King Bernard of Italy.
[a][3] Through her marriage to Robert I, she was an ancestress of the Capetian dynasty.
On 15 June 923 her husband Robert was killed at the Battle of Soissons shortly after which their son Hugh was offered the crown but refused.
[5] Beatrice married c. 890, becoming the second wife of Robert, Margrave of Neustria, who became the King of France in 922.