The Tarikh al-Sudan states that al-Amin ruled for 7 years. The date of 1618 for the death of al-Amin and the succession of Askia Dawud II is mentioned in the Tarikh al-Sudanes-Sadi & 1898-1900, p. 341
Houdas 1901. Houdas, Octave (ed. and trans.) (1901), Tedzkiret en-nisiān fi Akhbar molouk es-Soudān (in French), Paris: E. Laroux. The anonymous 18th century Tadhkirat al-Nisyan is a biographical dictionary of the pashas of Timbuktu from the Moroccan conquest up to 1750. It also contains a list of the Timbuktu based Ashiyas on pages 289-297.
Houdas 1901, pp. 289–297. Houdas, Octave (ed. and trans.) (1901), Tedzkiret en-nisiān fi Akhbar molouk es-Soudān (in French), Paris: E. Laroux. The anonymous 18th century Tadhkirat al-Nisyan is a biographical dictionary of the pashas of Timbuktu from the Moroccan conquest up to 1750. It also contains a list of the Timbuktu based Ashiyas on pages 289-297.
Askiya Al-Mukhtar died in 1724 giving a 6-year gap before the appointment of his successor. (Houdas 1901, p. 85). Houdas, Octave (ed. and trans.) (1901), Tedzkiret en-nisiān fi Akhbar molouk es-Soudān (in French), Paris: E. Laroux. The anonymous 18th century Tadhkirat al-Nisyan is a biographical dictionary of the pashas of Timbuktu from the Moroccan conquest up to 1750. It also contains a list of the Timbuktu based Ashiyas on pages 289-297.