Nilüfer Hatun (Ottoman Turkish: نیلوفر خاتون, called also Lülüfer Hatun or Ülüfer Hatun, died c. 1363 or c. 1380), was a concubine of Orhan, the second Ottoman sultan, and the mother of Murad I, Orhan's successor. She was the first slave of Christian origin to become the mother of an Ottoman sultan.
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