This is probably María de Haro y Guzmán, wife of Gregorio María de Silva y Mendoza, 9th Duke of Infantado. Her genealogical sketch is here.
From pinterest.com/akpark09/damas-españolas-siglo-xvii/. Also posted to the Iberian Dress in the Louis XIII and XIV Eras Album here.
The Duchess wears a tontillo with sleeves and cuffs adorned with pink ribbons. She has attached a watch to her waistline with a ribbon.
Keywords: María Méndez de Haro y Guzmán, duquesa del Infantado, de Haro y Guzmán family, de Silva y Mendoza family, Duchess, Spanish, long straight coiffure, headdress, earrings, fitted bodice, jeweled lace bertha, straight neckline, brooch, long puffed virago sleeves, jeweled arm bands, ribboned arm bands, back flared cuffs, tight cuffs, bracelets, deep vee waistline, watch, full under-skirt, handkerchief