It took the architect Vincenzo Brenna from 1797 to 1801, the span of Emperor Paul’s reign, to complete the construction of the Mikhailovsky Palace. The floor plan was as follows:
3rd Floor Children Maria, Catherine, Anna, Nicholas and Mikhail, Servants
Plan and photograph c1900 (below) of the Mikhailovsky Pavilions
The Mikhailovsky Castle is today part of the Russian Museum.