On the night of 28 August, Flavianus Michael Malke, Syriac Catholic Bishop of Gazarta, and Philippe-Jacques Abraham, Chaldean Catholic Bishop of Gazarta, were killed. On 29 August, Aziz Feyzi, Ahmed Hilmi, Mufti of Jazirat Ibn ʿUmar, and Ömer, "agha" of the Reman clan, coordinated the arrest, torture, and execution of all Armenian men and a number of Assyrians in Jazirat Ibn ʿUmar. The men's bodies were dumped in the Tigris, and, two days later, the children were abducted into Muslim households, and most women were raped and killed, and their bodies were also thrown into the river. Walter Holstein, German vice-consul at Mosul, reported the massacre to the German embassy at Constantinople on 9 September, and the German ambassador Ernst II, Prince of Hohenlohe-Langenburg informed the German Foreign Office on 11 September that the massacre had resulted in the death of 4750 Armenians (2500 Gregorians, 1250 Catholics, and 1000 Protestants) and 350 Assyrians (250 Chaldeans and 100 Jacobites). After the massacre, eleven churches and three chapels were confiscated. 200 Armenians from Erzurum were exterminated near Jazirat Ibn ʿUmar by General Halil Kut on 22 September. Kemal Bey continued in the office of "kaymakam" until 3 November 1915.