DE JONA (DE YONA) family in Lviv (Lemberg) #general

Hello Genners
I am looking for any information (ancestors, descendants) concerning a
Lviv (Lwow, Lemberg) Jewish family of medical doctors, who lived there
during the 17th and beginning 18th century. Typical given names might
have been, Simcha, Yochanan, Menachem Baruch and Yaakov. Any
information will be greatly acknowledged.
Isak Gath, Haifa.

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