Many distinguished guests stayed in the palace next to the king.

An excerpt from the article 24 facts about Potsdam

Voltaire is said to have lived there. There is also a hypothesis that Bishop Ignacy Krasicki wrote the famous Monachomachia (War of the Monks) in the Sanssouci palace.

Sanssouci Palace was a palace sans femmes (without women). Frederick's wife, Elizabeth Krystyna Braunschweig-Bevern, from whom the king had been separated since he ascended the throne in 1740, lived in Berlin, in Schönhausen Palace.