question: What is the place of birth of Nadia Benois's father?
context: [["Eystein Glumra", ["Eystein Glumra(\" Eystein the Noisy\" or\" Eystein the Clatterer\"; Modern Norwegian\" \u00d8ystein Glumra\") also known as Eystein Ivarsson, was reputedly a petty king on the west coast of Norway, during the 9th Century.", "The\" Heimskringla\" saga states that Eystein Glumra was the father of Rognvald Eysteinsson and Sigurd Eysteinsson:\" The first earl in the Orkney Islands was called Sigurd, who was a son of Eystein Glumra, and brother of Ragnvald earl of More.", "After Sigurd, his son Guthorm was earl for one year.", "After him Torf- Einar, a son of Ragnvald, took the earldom, and was long earl, and was a man of great power\".", "According to the\" Orkneyinga Saga\", Eystein Glumra was the son of Ivar the jarl of Uplanders and grandson of Halfdan the Old.", "\" Orkneyinga Saga\" also named Eystein Glumra as the father of Rognvald Eysteinsson:\" Heiti, Gorr \u2019s son, was father of Svei\u00f0i the sea-king,[ who was] the father of Halfdan the old,[ who was] the father of Ivar the Uplanders \u2019 earl,[ who was] the father of Eystein the noisy,[ who was] the father of earl Rognvald the mighty and wise in council\".", "Linnea Hartsuyker's books", "The Half- drowned King and The Sea Queen cover the lives of Eystein's children."]], ["Obata Toramori", ["He was the father of Obata Masamori."]], ["Takayama Tomoteru", ["He was the father of Takayama Ukon, and was a Kirishitan."]], ["John Templeton (botanist)", ["John Templeton( 1766\u20131825) was an early Irish naturalist and botanist.", "He is often referred to as the\" Father of Irish Botany\".", "He was the father of naturalist, artist and entomologist Robert Templeton."]], ["Leon Benois", ["Leon Benois (1856 in Peterhof \u2013 1928 in Leningrad) was a Russian architect from the Benois family."]], ["Anacyndaraxes", ["Anacyndaraxes was the father of Sardanapalus, king of Assyria."]], ["Cleomenes II", ["Cleomenes II( died 309 BC) was Agiad King of Sparta from 369 to 309 BC.", "The son of Cleombrotus I, he succeeded his brother Agesipolis II.", "He was the father of Acrotatus I, the father of Areus I, and of Cleonymus, the father of Leonidas II."]], ["Arthur Beauchamp", ["Arthur Beauchamp( 1827 \u2013 28 April 1910) was a Member of Parliament from New Zealand.", "He is remembered as the father of Harold Beauchamp, who rose to fame as chairman of the Bank of New Zealand and was the father of writer Katherine Mansfield."]], ["Inoue Masaru (bureaucrat)", ["Viscount was the first Director of Railways in Japan and is known as the\" father of the Japanese railways\"."]], ["Nadia Benois", ["Nadezhda Leontievna Ustinova (\u041d\u0430\u0434\u0435\u0436\u0434\u0430 \u041b\u0435\u043e\u043d\u0442\u044c\u0435\u0432\u043d\u0430 \u0423\u0441\u0442\u0438\u043d\u043e\u0432\u0430), n\u00e9e \"Benois\" (\u0411\u0435\u043d\u0443\u0430), better known as Nadia Benois (1896\u20131975), was a Russian painter of still life and landscape, and stage designer.", "Her father Leon Benois belonged to the Benois family.", "Nadezhda studied how to be an artist at St. Petersburg Academy of Fine Arts.", "In 1920, Benois moved along with her husband, Jona Ustinov to London.", "In the course of her travels, Benois painted the impressionist landscapes of London street, Wales, Ireland, and Scotland.", "She exhibited her works in the Goupil, Redfern, Beaux-Arts, and other galleries, and is mentioned in multiple Journals from the Royal Arts Society.", "Some of her still-lives were acquired by the Tate Gallery in 1936.", "She also designed the stage for the ballet \"Cap over Mill\", which was part of the \"Dark Elegies\".", "Later in life, Benois used her talents to help the career of her son Peter Ustinov, who won the Benjamin Franklin medal in 1958, by formatting the screenplays and plays and creating costumes and sets for the films \"Vice Versa\" and \"Private Angelo\"."]]]
supporting_facts: [["Nadia Benois", 1], ["Leon Benois", 0]]
evidences: [["Nadia Benois", "father", "Leon Benois"], ["Leon Benois", "place of birth", "Peterhof"]]
answer: Peterhof