Wikipedia

Erna Ella Rahel Moser was born in Berlin on June 21, 1906, the daughter of the merchant Max Moser and his wife Hulda, née Friedländer.

Erna Weitzmann was born in Berlin on March 10, 1890 to Jewish parents. Nothing is known about her family, her parents and siblings. She married a man named Mischlewitz and was later divorced. The marriage remained childless. In her declaration of assets, Erna Mischlewitz stated that she was a corset seamstress by profession. She did not declare a single item as property; she was a lodger with Julius Moses without any furniture or furnishings of her own.

Ulrich Meyer was born on June 1, 1910, the son of Dr. Arthur Meyer, an ear, nose and throat specialist, and his wife Margarete, née Hermann.

Michael Daniel "Denny" Meyer was born in Cologne on August 30, 1938, the son of the architect Ulrich Meyer and his wife Annemarie, née Krebs. His parents moved with him into the apartment of his grandmother Margarete Meyer at Bamberger Straße 37 in Schöneberg. Before the family's deportation, his parents also had to fill out the declaration of assets for four-year-old Denny. On December 9, 1942, Denny was deported with his parents and grandmother to Auschwitz, where he was presumably murdered immediately.