His mother was Kenza,[3] his father's wife and the daughter of the Awraba tribe chieftain, Ishaq ibn Mohammed al-Awarbi.
In the work of Ibn al-Abbar, correspondence between Idris II and his contemporary Ibrahim I ibn al-Aghlab is quoted in which he invites him to renounce his claims to his territories.
[7] By the end of Idris II's reign, the Idrisid kingdom included the area between the Shalif river in modern-day Algeria and the Sus in southern Morocco.
His grave is contained in the Zawiyya Moulay Idris in Fez.
It was rediscovered under the Marinid Sultan Abd al-Haqq II (1420–1465) in 1437, and became an important place of pilgrimage in the 15th century.