She became the adoptive mother of Sultan Abdul Hamid II and was given the position of Valide Sultan by him. Unlike many of her predecessors, she was not active in politics.[4] Perestu acquired this title because the biological mother Tirimüjgan Kadın[5] of Abdülhamid II had died twenty-three years before Sultan Abdülhamid II's accession to the Ottoman throne.[6] In 1885, during the visit of King Oscar II and Queen Sophia of Sweden to the Ottoman Empire, she received the Swedish queen, who was allowed to visit the Imperial harem.[7] She was the last Empress mother of the Ottoman Empire.[3]