Beatrix de Vesci of Alnwick Castle, was an eleventh-century medieval noble lady of house de Vesci.
[1] Daughter and sole heir of Ivo de Vesci,[2] Builder and first Baron and his wife, Alda,[3][4] Beatrix de Vesci was one of the richest heiresses of her time.
[5] She was the first wife of Eustace Fitz John, also known as Eustacius fitz John de Burgo, Constable of Chestershire and Knaresborough.
[7] However, it is most often said that she died during childbirth of her first and only son, William de Vesci.
[12] Upon the death of Eustace Fitz John, his lands passed to his son William by consent of King Henry II.