Simon Birnbaum should be Simon Peereboom
His real name is the translation of the german Birnbaum (= Pe(e)reboom
https://collections.arolsen-archives.org/en/search/person/5546442?s=Simon%20Birnbaum&t=1566381&p=0
Simon Birnbaum should be Simon Peereboom
His real name is the translation of the german Birnbaum (= Pe(e)reboom
https://collections.arolsen-archives.org/en/search/person/5546442?s=Simon%20Birnbaum&t=1566381&p=0