Nizamuddin Sihalivi Ansari was the founder and designer of the Dars-i Nizami curriculum used in most South Asian madrasas. He was born in Sihali a Village in Fatehpur Block in Barabanki District of Uttar Pradesh now in India, on 27 March 1677, into an Ayyubi Ansari family. Later on he then migrated to Firangi Mahal Lukhnow. His father was Mulla Qatubdeen. He was a disciple of Shah Abdul Razzaq Bansvi in silsala Qadiriyya. He was a descendant of Abu Ayyub al-Ansari.