Complex sentence: Queen Bona Sforza ordered to rebuilt the Gothic castle in the Renaissance style between 1523-1548 and between 1555-1556 the castle was the seat of Isabella Jagiellon, queen of Hungary after her escape from Transylvania.
Split into simpler sentences: Queen Bona Sforza ordered the rebuilding of the Gothic castle in the Renaissance style between 1523-1548. Between 1555-1556, the castle was the seat of Isabella Jagiellon, queen of Hungary, after her escape from Transylvania.