Help finding out the given name of my aunt's brother in Argentina #names #latinamerica #austria-czech

Aline Petzold

Hello All;
 I am trying to find out the given name and other details for my aunt's brother.  My aunt, Edith Marcu, was born in Czernowitz in 1913.  Her maiden name was Willig.  I know that her father's name was Jacob and her mother's name was Ana Gisella.  I also know that she had an older sister named Leopoldine, called "Maidi"( born in 1907) and that she had a brother, probably older.  I know that the family left Czernowitz and immigrated to Argentina some time in the early 1940s and that the brother started a business in Buenos Aires.  I am trying to find out more information about Edith's brother- i.e his given name, birth and death dates. 
Please send your responses to my email, listed below.
Thanks in advance for your help.
Aline Petzold
St. Paul MN

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