[2] Masum Khan was born into a Bengali Muslim Bais Rajput family from Sarail.
[3] Sulaiman married the Sultan's daughter Syeda Momena Khatun, Masum Khan's great grandmother, and received the Zamindari of Sarail.
[4] Following the death of his father in April 1623, the Subahdar of Mughal Bengal Ibrahim Khan Fath-i-Jang recognised Masum Khan as the successor of Musa's estate.
[2] Masum Khan served in the Siege of Hooghly in 1632 by the Mughal army against the Portuguese.
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