Background
Rein was born in Upper Silesia in Dzietkowitz, at the time part of the German Empire, but now in Poland. She grew up in a well to do family, with 5 brothers and sisters, on a farming estate with two dozen employees.
Rein was born in Upper Silesia in Dzietkowitz, at the time part of the German Empire, but now in Poland. She grew up in a well to do family, with 5 brothers and sisters, on a farming estate with two dozen employees.
At the time of her death she was the oldest known Jew in the world. She went to school in neighbouring Mysłowice, and eventually went to college, which was not common for women in that period. Her mother would later die in a Nazi concentration camp.
Her husband died shortly after their arrival in Brasil.
In 1973 Rein"s second husband died. Both marriages were without children and her remaining family lived abroad.
She lived on her own until 2001, when, after a fall, she decided to move to a nursing home, where she lived until her death. Apart from failing eyesight and hearing she was in good health until her death.
Rein became the oldest person in Switzerland in September 2006, and the oldest Swiss ever in June 2008.
Following the death of Berta Rosenberg in January 2009, she became the oldest known Jew in the world. At the time of her death she was also the oldest person born in Germany.