Lerchenthal was born in Munich, Germany, on 8 June 1913. In 1931, after completing high school, she emigrated to Italy and graduated from university in Rome.
Lerchenthal worked as a university professor in Rome, and married a man surnamed Serra Borneto. Her son also achieved a doctorate.
Lerchenthal passed away in Rome, on 13 September 2024, at the age of 111 years, 97 days.
Lerchenthal has not been reported in the media; she was confirmed privately to have attained supercentenarian status in June 2023.
Lerchenthal is the second-oldest living German emigrant in the world, after Ilse Meingast.
Her age was verified by Paolo Scarabaggio and Marco Wikkerink, and validated by the ESO on 16 February 2024.
On 17 July 2024, following the passing of 111-year-old Anna La Morgia, she became the oldest living person in Lazio. Upon her own passing, she was succeeded by Leontina Ruberto.
* European Supercentenarian Organisation (ESO)
* Supercentenari in Italia – Supercentenari d’Italia