The grace of God bin Mahmoud Al -Nakhjojani, known as Sheikh Alwan, died 920. Nima Allah bin Mahmoud Al -Nakhjojani, and he is known as Sheikh Alwan. Bin Mahmoud Al -Nakhjojani, known as Sheikh Alwan, died 920. Nima Allah bin Mahmoud Al -Nakhjojani, known as Sheikh Alwan, died 920