The conversation between human and AI assistant.
[|Human|] Based on this article, what was the relationship between Ala-ud-Din Bahman Shah and Alauddin Mujahid Shah?
[|AI|] Alauddin Mujahid Shah was the grandson of Ala-ud-Din Bahman Shah by his son Mohammed Shah I.
[|Human|] 
Based on this article, what was the relationship between Ala-ud-Din Bahman Shah and Alauddin Mujahid Shah?