Petru Ciobanca was born in Bocsa to Maria Popitiu (1904-1988) and Ioan Ciobanca (1890-1953); his oldest sibling: Vasile Ciobanca (1921-1995).
After a childless marriage to Aurelia, from the second marriage only a child in 1961, Olimpia-Dana Pop.
Petru Ciobanca was buried in Zalau on June 16, 2018.