At the back on the right stands Don JosÃ Nieto VelÃ zquez ( 8 ) â '' the queen 's chamberlain during the 1650s , and the head of the royal tapestry worksâ '' who may have been a relative of the artist . To the rear and at right stands Don JosÃ Nieto VelÃ zquez ( 8 ) â '' the queen 's chamberlain during the 1650s , and head of the royal tapestry worksâ '' who may have been a relative of the artist .