question: Who is the sibling-in-law of Errikos Kontarinis?
context: [["Greg Penner", ["Gregory B. Penner( born December 18, 1969) is an American businessman and venture capitalist.", "Penner was named the chairman of Walmart on June 5, 2015.", "He is the son-in- law of S. Robson Walton and the grandson- in- law of Sam Walton, the founder of Walmart."]], ["Robert W. Levering", ["Robert Woodrow Levering( October 3, 1914 \u2013 August 11, 1989) was a U.S. Representative from Ohio, son-in- law of Usher L. Burdick and brother- in- law of Quentin N. Burdick."]], ["Nick Sidi", ["Nick Sidi( born 22 February 1966 in Manchester, England) is an English actor.", "He is the son -in- law of actress Rosalind Knight and brother- in- law of actress Susannah Elliott- Knight.", "He often plays drama or comedy roles on television and frequently appears in BBC dramas."]], ["Romanos Argyros (10th century)", ["Romanos Argyros was a Byzantine aristocrat and son-in- law of Emperor Romanos I Lekapenos."]], ["Robert Vadra", ["Robert Vadra is an Indian businessman, entrepreneur and the husband of Priyanka Gandhi.", "He is the son -in- law of Sonia Gandhi and Rajiv Gandhi, and the brother- in- law of Rahul Gandhi."]], ["Charles Francis Norton", ["Charles Francis Norton( 1807 \u2013 1835) was a 19th- century Member of Parliament for Guildford.", "Norton was also a Captain of 52nd Light Infantry; son-in- law of Sir Colin Campbell; brother- in- law of writer Caroline Norton"]], ["Wyndham Goold", ["Wyndham Goold( 1812-1854) was a Member of Parliament( MP) for County Limerick from 1850 to 1854.", "Goold was educated at Westminster School and Trinity College, Dublin.", "He was the son in law of Frederick Falkiner Goold, Archdeacon of Raphoe and brother in law of Bishop Hamilton Verschoyle"]], ["Errikos Kontarinis", ["Errikos Kontarinis (Greek: \u0395\u03c1\u03c1\u03af\u03ba\u03bf\u03c2 \u039a\u03bf\u03bd\u03c4\u03b1\u03c1\u03af\u03bd\u03b7\u03c2,1906\u20131971) was a Greek actor and cinematographer.", "He was born on the island of Tinos in 1906 and died on 11 September 1971.", "He was married to Marika Nezer."]], ["Marika Nezer", ["Marika Nezer (1906 \u2013 18 July 1989) was a Greek actress.", "She was the daughter of Konstantinos Nezer, brother of Christoforos Nezer (1903\u20131996) and cousin of Christoforos Nezer (1887\u20131970) and granddaughter of Christoforos Nezer, fort chief of Athens and an aide-de-camp of King Otto of Greece."]], ["Lee Chan-hyuk", ["Lee Chan- hyuk( born September 12, 1996), is a South Korean singer, songwriter and producer.", "He debuted as a member of the sibling duo AKMU in April 2014, under YG Entertainment."]]]
supporting_facts: [["Errikos Kontarinis", 2], ["Marika Nezer", 1]]
evidences: [["Errikos Kontarinis", "spouse", "Marika Nezer"], ["Marika Nezer", "sibling", "Christoforos Nezer"]]
answer: Christoforos Nezer