Errico was born on 13 NOV 1847 in Rocca Pia, L'Aquila, Abruzzo, Italy, the son of Giacomo Antonio Fidei and Floriana Fronsaglia.
Errico Giliberto Fidei (1847-?)
Giacomo Antonio Fidei (1823-?)
Giliberto Fidei (1772-1846)
Giacomo Fidei (c1740-?)
Palmarosa Rocco (1738-1816)
Annantonia Ciotti (c1795-?)
Floriana Fronsaglia (1825-?)
Giuseppe Fronsaglia (1803-?)
Pasquale Fronsaglia (c1775-?)
Agnese Montagna (1772-1843)
Maria Cania Clemente (c1805-c1875)
Giuseppe Clemente (1755-1823)
Margharita Leone (1757-1817)