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But after a few years , in 1928 , he left her for the sculptress Isabelle Roussadana Mdivani ( 1906 – 1938 ) , a.k.a. Roussie , sister of the famous Serge , Alexis , David , and Nina , the 5 siblings from a Georgian-Russian Nobility family emigrated after the Russian Revolution in 1917 , known in Paris as the " Marrying Mdivani " , because of the notorious marriages they achieved with moneyed and prestigious people from Europe and America .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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