I cannot find information about her or her son.
From liveinternet.ru/users/4632770/post392631275/.jpg. Also posted to the Middle 1500s - 1550 to 1590 Album.
This coiffure echoes northern European styles of the day. The vee neckline previews styles from the early 1600s.
Keywords: 1581, Marsili, Alessandra di Vieri de’ Medici, Italian, wavy coiffure, jewel-trimmed veil, necklace, chemise, modesty piece, trapezoidal neckline, floral bodice ornament, jeweled fitted bodice, vee décolletage, lace lapels, lace-edged neckline ruff, jeweled rolled upper sleeves, jeweled long full tapered lower sleeves, lace-trimmed back-flared cuffs, bracelets, vee waistline, jeweled under-skirt