“
1911
May, after the 13th — June, before the 23rd. Petersburg. Due to the departure of D. B. Shostakovich from the post of head of the First Verification Chamber at the Main Chamber of Weights and Measures, which he headed since the autumn of 1903, the Shostakovich family leaves the service apartment on Podolskaya St., building 2, and moves to Nikolaevskaya St. (now Marata St.), Building 16, Apt. 20. Among the neighbors is K. V. Lukashevich-Khmyznikova, who lived in the same building in apartment 21.
June, after the 23rd — August (?). Irinovka. D. B. Shostakovich is engaged in forest and peat development on the estates of the industrialists von Rennenkampfs. The Shostakovichs spent the summer months in Rennenkampfs estate in Irinovka until 1917.
"Chronicle of the Life and Work of D. D. Shostakovich", volume 1, DSCH Publishers, 2016