David Oyens by Pieter Oyens (1873)
Pieter Oyens by David Oyens (1879)
David Oyens (29 July 1842 in Amsterdam – 11 February 1902 in Brussels) and Pieter Oyens (29 July 1842 in Amsterdam – 16 February 1894 in Brussels), identical twins, were Dutch painters who specialized in genre scenes. They both spent most of their careers in Brussels. Their name was originally spelled "Oijens".