The center of the correspondence revolves around personal relationships. It becomes clear that Minna Bernays was Freud's most important conversation partner during his early years, alongside Wilhelm Fliess. She emerges as a clever, humorous, and energetic woman who was of great significance to her sister, brother-in-law, and later their children throughout her life. The letters are a profoundly human document, texts created spontaneously in response to recent events, not long conceived. They reveal the inner lives and essence of the individuals involved in a very special way. Their greatest appeal lies not in satisfying the reader's curiosity but in providing specific, often deep and unfiltered insights into the personalities, thought processes, and actions of the people involved. The edition includes all letters that shed light on the relationship between the two correspondents and their connections to Martha and the children. The introduction outlines the situation of the correspondents and the context, providing a summary of Minna Bernays's life. An appendix, based on extensive archival research, develops the history of the Bernays family. A family tree complements the presentation.