Pietro was born on 18 MAY 1846 in Bugnara, L'Aquila, Italy, the son of Francesco Iannessa and Maria Luisa Giacinta Castrucci.
Pietro Vincenzo Iannessa (1846-?)
Francesco Iannessa (c1803-?)
Maria Luisa Giacinta Castrucci (1810-?)
Matteo Castrucci (c1786-1817)
Domenico Castrucci (c1757-?)
Carmina DiTomaso (c1755-?)
Carmina Maistro (c1786-?)