Countess Emilia's Wikipedia article is here. She was the daughter of Dutch independence leader William the Silent by Anna of Saxony.
From Wikimedia that dates this to between 1590 and 1595.
Countess Emilia's dress looks like a saya, but it does not appear to have false or hanging sleeves, just sleeves puffed in the upper half - gigot sleeves. But the saya influence is unmistakable.
Keywords: van den Queborn, Emilia van Nassau, Emilia of Nassau, Oranje-Nassau family, Aviz family, Countess, straight coiffure, jeweled feathered hat, high enclosing neckline, lace ruff, gigot sleeves, puffed cloth ornaments, draped necklace, earrings, jeweled bodice, jeweled sleeves