Answer:
artwork-las meninas
artist-Diego Velázqez
period-1656
purpose of painting-''One of the most famous and controversial artworks of all time, Las Meninas (The Maids of Honour) is regarded as a dialogue between artist and viewer, with its double mirror imagery and sketchy brushwork that brings every figure and object in the room to life," explains our book, 30,000 Years of Art.
subject of the painting- Philip IV of Spain
Margaret Theresa of Spain
Mariana of Austria
Maria Bàrbola