Cäcilia Weber

• 1. Introduction

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  Cäcilia Cordula Weber was born on the 23rd of October 1727 in Mannheim, the daughter of a government secretary named Johann Otto Stamm. She would spend her life in the shadow of more celebrated figures: daughters who sang on professional stages, a son-in-law whose name has outlasted centuries. Yet the story of her household is inseparable from one of music history's most celebrated marriages. How did a widow scrambling to keep her family afloat become the mother-in-law of Wolfgang Amadeus Mozart? And what did that relationship actually look like, beyond the legend?

• 2. A Family Built on Music

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  Cäcilia married on the 14th of September 1756 and had four daughters: Josepha, Aloysia, Constanze, and Sophie. The girls were born in Zell im Wiesental, though the family relocated to Mannheim not long after Sophie arrived. Three of the four daughters went on to become professional singers. Constanze was the exception, though Mozart himself noted she possessed a fine voice and musical ear. That combination of talent and ambition running through the household would pull the Weber family across several cities, always following the work.

• 3. Mozart Enters the Picture

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  Cäcilia first met Mozart in 1777, when he arrived in Mannheim looking for a job. He fell in love with her daughter Aloysia during that stay. Finding no permanent position, he left for Paris. The family later settled in Munich, where both Aloysia and her father Fridolin had secured work in the opera. Mozart crossed paths with the Webers again there, on his journey back to Salzburg, and it was in Munich that Aloysia rejected him. The family's trajectory and Mozart's kept intersecting, as though the two were bound by some pull neither had planned.

• 4. Vienna and Crisis

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  In September 1779, the Weber family moved to Vienna, still following Aloysia as she pursued her career at the German Opera there. Within weeks, Fridolin died, and Cäcilia was left to keep the household together. Aloysia's suitor, Joseph Lange, agreed to help support the family with an annual stipend of 700 florins when he married Aloysia on the 31st of October 1779. To stretch that income further, Cäcilia began taking in boarders. It was a practical solution, and it set the stage for everything that followed.

• 5. A Boarder Named Mozart

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  Mozart arrived in Vienna in 1781, hoping to build his career there. On the 1st or the 2nd of May 1781, he moved into the Weber household, a building known as Zum Auge Gottes, which translates to "God's Eye." Cäcilia eventually asked him to leave. She had noticed he was developing feelings for Constanze and wanted to protect the family's reputation. Wolfgang and Constanze married on the 4th of August 1782. The relationship between Mozart and his mother-in-law started awkwardly: she and Constanze did not get along well, and that friction left its mark on the early years.

• 6. Fondness in Later Years

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  Beginning with the birth of Constanze's first child in 1783, something shifted. Mozart grew genuinely fond of Cäcilia, and she of him. Sophie Weber, the youngest daughter, described the change in a letter she wrote in 1825. She recalled Mozart rushing over to the Wieden district, where she and Cäcilia were lodging at a place called the Golden Plough, carrying under his arm a small bag of coffee and sugar. He would hand it to Cäcilia saying, in Sophie's words, "Here, mother dear, now you can have a little Jause", the Austrian word for afternoon coffee. Sophie wrote that Cäcilia was delighted as a child each time. Cäcilia Weber died on the 22nd of August 1793 in Wieden, near Vienna, the same neighborhood where Mozart had so often come running with coffee in hand.