Very well dressed princelings, painted by Jean Ranc. Living from 1674 to 1735, he was a French painter who mostly painted portraits. Serving in the French court, after Louis XIV’s grandson became king of Spain he painted there.

"El infante don Felipe de Borbon y Farnesio." 1725.
“El infante don Felipe de Borbon y Farnesio.” 1725. Collection of the Museum of Fine Arts, Budapest. Cc0 License 4.0. https://commons.wikimedia.org/wiki/File:Felipe_I_de_Parma_en_su_infancia,_por_Jean_Ranc.JPG
"María Ana Victoria de Borbón, niña." July-December, 1725.
“María Ana Victoria de Borbón, niña.” July-December, 1725. Collection of the Museo del Prado, Madrid. In the public domain in the United States because the artist has been dead over 70 years. via https://commons.wikimedia.org/wiki/File:Ranc_-_Mar%C3%ADa_Ana_Victoria_de_Borb%C3%B3n.jpg
"Fernando VI of Spain." 18th c.
“Fernando VI of Spain.” ca. 1723. Oil on canvas. Image © 2019. Museo Nacional del Prado. Fair use license. via https://www.museodelprado.es/en/the-collection/art-work/ferdinand-vi-as-a-boy/fc121d71-6460-48dd-ab1d-5ecd903fa888