Introduction to "La Las Meninas": "The Cousin" created by Velázquez was first seen in the Alcazar album catalog after the death of Philip IV in 1666. Maderazo considered it a painting in the catalog of the Prado Museum. The character in the story is Don Diego de Acedo, known as "Cousin". It is known that this little man first served the Duke and Count of Olivares, holding a fan in his carriage, and then rose through the ranks to enter the court in 1635. The court once sewed a black velvet coat and other accessories to match the costume for my "cousin". The purpose is to attend the king's birthday party. "It was this piece of clothing that Velázquez painted, coincidentally the artist completed the painting in Fraga in 1644.