Title: Nestor Genko
Content:  After Genko's death a large family remained which consisted of his widow Maria Aleksandrovna (née von Harff: 1861–1909) and ten children. His eldest son Nestor (1881-1937) graduated from the historical-philological faculty of Saint Petersburg University and was known as ethnographer and regional historian. Cyril (1889-1937) became a professor of the German language and geography. Evgeniy (1892-1937) became a surveyor and a builder. All three were shot by the Bolsheviks in 1937, and posthumously rehabilitated. Peter (1886-1913) became a forester and committed suicide. Alexander (1894-?) left the Faculty of Oriental Languages of Saint Petersburg University, graduated from the Vladimir Military Academy 
Title: Nestor Genko
Content:  In 1849 Genko entered the elementary school of Tukums, then the grammar school of Mittau (now Yelgava), then studied at the Saint Petersburg Institute of Forestry and Surveying, from which he graduated in 1862 as second lieutenant of the Forest Administration.
Title: Nestor Genko
Content:  Nestor Karlovich Genko (or Henko, Нестор Карлович Генко) January 22 (February 3) 1839 in the Grodno Governorate, province of Kurland, Russian Empire – January, 28 (February 10) 1904 in Menton, France), was a scientist in the field of forestry, known for creation of the world's first major watershed protection forest belt system, the Genko Forest Belt, located in the east of Ulyanovsk Oblast. He was also a hero of the Russo-Turkish War of 1877–78.
Title: Nestor Genko
Content:  The first recorded mention of the Genko family dates to the 16th century when a member of a patrician family of German origins in Thorn, Poland, participated in wars against the Turks as a lieutenant of cavalry. For bravery and leadership Ian Genko was awarded nobility by the Reichstag in 1683. This hereditary nobility was confirmed to Ivan Iossevitch von Genko and his descendants by the Senate of the Russian Empire in 1848. His great-grandson Nestor Karlovich Genko was born on January 22 (February 3) 1839 in the estate Tadayken (province of Kurland, actually in Latvia), son of Karl Georgevitch von Genko, supervisor of the estate of the Duke of Wurttemberg, and of Wilhelmina Mariana (née Schwander).
Title: Nestor Genko
Content:  In 1876, Genko ostensibly for "reason of health", left the Forest Administration. In 1877 he graduated from the St Petersburg infantry school with the rank of staff captain and was assigned to the Kostroma Infantry Regiment. As a company commander he participated in the battles of Tachkisen, Komartsov and the crossing of the Balkans. Upon the end of the war, he remained in Bulgaria first as chief of the Bourgas and Demoti district, then as police commander of Burgas.
Title: Nestor Genko
Content:  later joined the White Army: his further destiny is unknown. Anatoly (1896-1941) became a famous linguist, specializing in Caucasian languages, a historian and ethnographer. He was arrested twice and died in jail. Genko's daughters, Ludmilla (1883-1929), Maria (1887-1920), Tatiana (1891-1921) died in the 1920s and only Elena (1898-1979) reached an old age. Some members of the Genko family originating from Nestor Karlovich Genko managed to survive. Numerous descendants of his eldest son live in France. His daughter and the family of the youngest son live in St. Petersburg, Russia. Several descendants of his oldest daughter live in Moscow and Vitebsk.
Title: Nestor Genko
Content:  Genko began his professional activities as inspector in the province of Vilnius in Bialowieza, in 1862 in the Orenburg Governorate and in 1863 in the Vyatka province for the management of naval construction forests. For his outstanding contribution, in 1864, Genko was sent to Prussia for one year. Back to Russia he worked in the Vilnius and Kaluga Governorates. In 1866 he was appointed to be junior forest warden of the Tellerman Forest which included the Shipov Forest. In 1872 this forest was declared to be a separate forest of the first category and Genko was appointed as its warden. He remained there until 1876. During the 10 years he was there, he installed new oak plantations and built paved roads in difficult terrain.
Title: Nestor Genko
Content:  In 1880 Genko returned to forestry activities as a junior scientist forester of the Imperial Estates Administration where there was less bureaucracy and red tape. This is the most productive part of his life as reported by his colleagues. He developed new instructions (1883, 1893), and carried out, on a massive scale, forest inventory and organised their exploitation. Of particular importance is the work in Bielowieza Forest, where on the basis of theoretical research, he applied for the first time, a definition of the forest area (over 100 thousands hectares) by different type of forests. This fundamental work is still 
Title: Nestor Genko
Content:  and who gave a very negative forecast to their future The 1903 all-Russia Congress of Forest Management took place in Riga and Genko attended and participated in the debates. Everyone realized that this was his "swan song". The same year, on the occasion of the 100th anniversary of the Saint Petersburg Imperial Institute of Forestry, Genko was elected an honorary member of the institute, but due to his health problems could not attend the celebrations. In December 1903, he was released for medical treatment in Menton (southern France) where he died on January 28, 1904 and was buried there.
Title: Nestor Genko
Content:  Forest A service to harvest. Kuibyshev, 1959. p 16-26 ; D. M Giryayev Prominent foresters of the country // Forestry. 1989. N°12 St. Petersburg. ; V. I Panov The origins of a great experiment. http://aglos2006.narod.ru/Literatura/K_genko.djvu ; I. F Kokova Two portraits. Ibid. ; V. A Bugaev, A.N Smoljanov, M.T Serikov: N.K Genko - Founder of the steppe afforestation. Ibid. ; A.V Havronin : Forest belts in the watersheds of south-eastern steppes of Samara Volga. Ibid. ; I. M Shabalin Green protections Ibid. ; N.V Romanov Windbreak forest belts, part of the landscape. Ibid. ; A. A Tchemodanov Let us keep Genko's forests Ibid. ; Official record of service of Senior Forestry Scientist, General administration of Imperial Estates, Actual State Councilor Genko // Gov. Historical Archive. Fund 515, Op. 73. D. 600. 

Question: Verify the following claims with "True" or "False": What is the name of Nestor Genko's predecessor?
Answer: False