https://infocenters.co.il/gfh/notebook_ext.asp?book=159510&lang=eng&site=gfh
https://epub.sub.uni-hamburg.de/epub/volltexte/2020/111626/pdf/Carl_Ellern.PDF (with a picture of Alexander Ellern and his wife Lotte)
Wife: Lotte Guttmann
See:
Son: Heinrich Ellern
See: