In the 19th century, the manor still belonged to Natalia Sergeyevna Zemchzhzhnikova (1841-1913), who was the niece of the Dekabrist prince Yevgeny Petrovich Obolensky.

When German troops occupied Latgale in the winter of 1918 in course of World War I during operation Faustschlag, the 13th Brigade Headquarters of the German occupation troops was stationed in the Adamova Manor until 1919.

[3] In 1905, a mineral spring named after St. Helena was discovered in Adamova Manor.

Mineral water won top honors at the London Exhibitions in 1912 and Paris in 1913.

At present the source of mineral water in Adamova estate is no longer found.