 The garden and the household structures didn't survive.First considerable alterations of the mansion look are connected with the names of Yelena Petrovna Truveller, her husband engineer-captain Robert Ivanovich and his brother retired engineer-major Vasily Ivanovich.A new three-storeyed stone house – nine axes along the Moyka and seven axes along the lane – was built in the style of Classicism at the corner of the Mojka embankment and the newly laid lane.