In the ancient village of Lebyazhye in the Kursk region, on the banks of the Seym River, lies the architectural monument of the 19th century, "Novosiltsev Estate." Local residents refer to this estate complex as "Lebyazhye," as legend has it that many swans once inhabited the river.

The estate belonged to Georgy Alexandrovich Novosiltsev, a wealthy first-guild merchant who lived from 1845 to 1924. Originally, in the 18th century, the owner of the village was a large landowner, Annenkov, from whom Novosiltsev purchased the land in the late 19th century.

On the site of Annenkov's old house, the merchant built a brick building with terraces and balconies, each side having a separate entrance. The mansion features an expressive facade and numerous decorative elements in the Greek style, including bas-reliefs with lion heads and columns. The building is topped with the family coat of arms. Construction lasted from 1897 to 1905.

Novosiltsev gained fame for building wine and vodka factories throughout the Kursk province, including in Lebyazhye. The products of his factories were showcased at many Russian exhibitions and were awarded a gold medal at the first exhibition of liqueurs and spirits in Paris in 1892.

On July 11, 1893, Novosiltsev became the chairman of the Kursk City Duma and held this position until 1897. He actively participated in the construction of a tram line in Kursk.

The merchant was respected for his charitable activities. In Kursk, he founded and maintained a city orphanage on Yamskaya Gora Street, a trade school on Moskovskaya Street, as well as an orphanage and sewing workshop on Zolotaya Street, where his students worked.

Novosiltsev owned several plots of land and lived in a two-story mansion in Kursk on Zolotaya Street, near which were his vodka factory and candy factory. The residents of Lebyazhye would bring him a cart of provisions at Christmas as a token of gratitude.

In 1919, during the Civil War, Novosiltsev left Kursk with his family along with General Denikin's troops and moved to Yalta, then to Bulgaria. He is buried in the Central Sofia Cemetery.

After the arrival of Soviet power, the estate in Lebyazhye was looted, but the peasants preserved the main building. In the 1920s, a children's orphanage was established here, in the 1930s, a hospital and outpatient clinic, and later a rest house. In the 1990s, the estate was occupied by the Kursk branch of the Oryol Police School. In the estate's park, there is a mass grave of Soviet Army soldiers who died in February 1943. Here lie 29 individuals, of whom the names of 12 have been identified. A sculpture at the grave was erected in 1947.

"Novosiltsev Estate" has been recognized as a newly identified architectural monument, and its cultural significance was established in 1997. Currently, local authorities are engaged in the phased reconstruction of the site.