[5] He and his brother Haqq ad-Din II revolted against the Ethiopian Emperor and moved their capital to Adal which was outside the sphere of Abyssinian control in the Harar plateau.
[6] Pankhurst adds that Sa'ad ad-Din also fought against the kingdom of the Hadiya and a pastoral people called the Zalan, both of whom were Christian allies.
[7] However, as Taddesse Tamrat notes, these successes were short-lived, and in response to the growing Muslim power in the region Emperor Dawit I strengthened the Ethiopian defenses along the border and established his court at Tilq in Fatagar.
[11] Trimingham notes that at the time he wrote his book (circa 1950), the tomb had been destroyed by the encroaching sea.
According to the chronicle "Conquest of Abyssinia" by Arab Faqīh, Harla clans descendant from Sa'ad ad-Din II participated in the sixteenth century Ethiopian–Adal War.