Johannes Cornelis (Jan) van Oers (13/02/1860 - 13/04/1941), a Dutch composer and organist of the St. Pieterskerk of 's-Hertogenbosch (The Netherlands). Married to Arnoldina Allegonda Kuijpers. He composed music for organ and choirpieces. He wrote a Requiem (published by W. Bergmans, Tilburg, The Netherlands) in 1906.