[1][2] The castle consisted of three towers, buildings in the southern and eastern wing, and curtain walls surrounding a courtyard.

Sigismund I the Old rebuilt the structure, giving it the form of a quadrangle with an internal courtyard.

[3] Bona Sforca was pregnant and expected to give birth to a legitimate brother of Sigismund II Augustus, however in 1527, being pregnant for five-months, she fall from a horse during hunting of a bear and gave a preterm birth to her second son who was born alive and baptized as Albert, but died a few hours after his birth and was buried in the castle's chapel.

[2] Reconstruction works were conducted in 1551-1568 under the supervision of Tomasz Grzymała and a sculptor Santi Gucci.

At the end of the 16th century the castle passed into the hands of the Curylo, Branicki and Lubomirski families.