sentences:  They managed to indirectly contact with Gülnuş Sultan, mother of Sultan Ahmed III, who became intrigued by Charles, in which she took an interest in his cause, and even corresponded with him in Bender.His expenses during his long stay in the Ottoman Empire were covered by the Ottoman state budget, as part of the fixed assets ("Demirbaş" in Turkish), hence his nickname "Demirbaş Şarl" (Fixed Asset Charles) in Turkey.