By Lydia Warren PUBLISHED: 12:24 EST, 6 February 2013 | UPDATED: 13:17 EST, 6 February 2013 'Brutal': Shalva Chigirinsky, pictured, has been accused of beating his ex-wife throughout their marriage The ex-wife of a billionaire Russian oligarch has testified that he brutally beat her for more than ten years - once even causing her to suffer a miscarriage. Shalva Chigirinsky, 62, grinned as his ex-wife  Tatiana Panchenkova, 48, told a Connecticut court how he threw her out of their Moscow home while she was pregnant with their first child in 2001. 'I don't understand what's so funny here,' snapped Panchenkova, who was married to the real-estate and oil magnate until 2009. Both now live in Greenwich, Connecticut.
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Oil magnate Shalva Chigirinsky, 62, and the mother of his four children, Tatiana Panchenkova, 48, divorced in 2009
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She was 'hospitalised many times after beatings' and eventually decided to sue him after 'he threatened to kill her at their daughter's birthday party'
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Chigirinsky made his billions in oil but was rocked during 2008 downturn
He studied medicine in @placeholder before starting a real estate business in the 1980s.