Gabriel Bengtsson Oxenstierna named the palace after his mother, who came from the prestigious Tre Rosor ("Three Roses") family.
In 1747, Rosersberg was acquired by Baron Erland Carlsson Broman, and was again modernized with the assistance of the architect Jean Eric Rehn.
Charles John's bedchamber is regarded as one of the most important examples of an early 19th-century Swedish interior.
[1] The palace has a park which incorporates a French Baroque garden commissioned by Bengt Oxenstierna, and designed and planted at the end of the 17th century by Tessin the Younger.
On the left hand side of the palace is an English garden with winding paths commissioned by Duke Charles around 1800.