Showing the importance of stability within the empire, both Askia Daoud and his brother, Askiya Al-Hajj Muhammad I, married the daughters of the empires southern people, the Saharan nomads to show their loyalty and desire for unity. Along with regional stability, religious unity was also a main concern, by marrying off his daughters to both the commercial estates and religious estates, the Empire was secured with connecting ties all around.[10] By marrying off his daughters into thees religious estates, the Islamic faith was secured throughout following generations and so was the status of the future ones to come. However, after the death of Askia Muhammad, the peace was gradually starting to decrease in the empire during the reign of Askia Daoud when the Songhai Empire was attacked.[citation needed]