In  that work, two people are assisting with the Infanta Margaret Theresa, who is wearing a white dress.  
On the right side of one work by this painter, Jacob is on a red carpet with his hands in the air as he   is shown the bloody tunic of Joseph. This artist also portrayed Apollo with his finger raised as he  visits the forge of Vulcan, and a different work by this painter showing two levels of the competition   between Athena and Arachne [uh-RAK-nee] is Las Hilanderas [ee-lahn-DAY- rahs]. Another work by  this artist shows a mirror with the images of Mariana of Austria and Philip the Fourth of Spain. In  that work, two people are assisting with the Infanta Margaret Theresa, who is wearing a white dress.  Name this 17th-century Spanish painter of Las Meninas.
On the right side of one work by this painter, Jacob is on a red carpet with his hands in the air as he   is shown the bloody tunic of Joseph.
Diego (Rodríguez de Silva y) Velázquez