For the Piotr Myszkowski family he erected a new palace in Książ Wielki (1585–1595), which however has not survived to our times.
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Among them was the Firlej family castle in Janowiec on the Vistula (1565–1585), for whom he also sculpted a Mannerist tomb in a local parish church (ca. 1586).
Gucci | Gucci Mane | Santi Giovanni e Paolo, Venice | Santi Quattro Coronati | Santi Giovanni e Paolo, Rome | Santi Giovanni e Paolo | Santi Paladino | Santi Apostoli, Rome | Guccio Gucci | Teatro Santi Giovanni e Paolo | Santi Sergio e Bacco | Santi Gucci | Santi Apostoli | Pietro Santi Bartoli | Maurizio Gucci | Elymas the sorcerer is struck blind before '''Sergius Paulus'''. Painting by Raffaello Santi | Aldo Gucci |
Bona Sforza, the second wife of Sigismund I of Poland, asked Bartolommeo Berrecci, Francisco the Florentian, Giovanni Maria Padovano, Santi Gucci and others to do this task.
Prominent examples include: the castle at Płakowice (16th century), the castle at Brzeg, (rebuilt from a Gothic stronghold in 1544–60), the castle at Niepołomice (rebuilt after a fire in 1550–71), the castle at Baranów Sandomierski (built in 1591–1606 by Santi Gucci), and the castle at Krasiczyn.