Mahd-i Ulya now assumed effective control of Iran. She was kept informed of all political developments in the country and built up her own network of support by appointing friends and relatives to important posts. She favoured the "Tajiks" (Persians) instead of the Qizilbash. Her chief aims were promoting the career of her elder son Hamza Mirza (at the expense of his brother Abbas) and seeking revenge for her father. Since his killer, Sultan-Murad Khan, had already died, she turned her attention to his son Mirza Khan. Qizilbash leaders had given Mirza Khan a promise of safe-conduct but as he was travelling to the capital Qazvin the queen's supporters seized and killed him.Women in Iran p.159Savory p.71
