Answer
Leonor Teles, mother of Beatrice, was a powerful and influential figure in Portuguese history. She was the daughter of Martim Afonso Telo de Meneses, Count of Ourém, and Aldonça de Vasconcelos. Leonor married King Ferdinand I of Portugal in 1372 and became queen consort. She was known for her political acumen and strong personality, and played a significant role in the governance of Portugal during her husband's reign.