Yar Ali Beg Mirza,

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Also know as "Barek Beg". Zaheer-uddin Baber has mentioned his name and his grand father's name in this autobiography "Tuzak-e-Baberi". His name was mentioned by Baber in his biography four times. First in 1497, 1499, 1504 and in 1526. References : Baber Nama by A.S. Bevedrige. Pages 49, 91, 109, 189.546,