Şivekar Sultan (Ottoman Turkish: شیوه کار سلطان, lit.
Upon this order, they started to search for palace officials and eventually found an Armenian woman in Üsküdar.
She had a good relation with Cinci Hoca Pasha and later with the Eighth Haseki Hümaşah Sultan.
Ibrahim ordered that all two hundred eighty of his low-ranked concubines be put in sacks and thrown in the Bosporus.
[3][6] However, it must be specified that, even if can be true that Şivekar died in 1647 (although other sources indicate that she died in Old Palace in 1693), the anecdote of the massacre of the concubines seems at least uncertain as coming from unreliable sources, and it is denied by many historians, who argue that Kösem, if she was really behind the woman's death, may have poisoned her rather for her influence on Ibrahim and the threat to her own power, as she risked raising the son against the mother.