Balbi was born in Roccagloriosa, a town in the province of Salerno, Campania, on 15 December 1907. She lived most of her life in Salento, Apulia.
Balbi married a man named Gravina, and the couple had five children: two sons and three daughters. She moved from Salento to Casal Velino, Campania, in her later years.
Balbi celebrated her 110th birthday with family and friends in the community. She died in her home on 24 May 2018 at the age of 110 years, 160 days. She was survived by numerous grandchildren and great-grandchildren.