Career
Petre was the son of Prince Alexander Bagration-Gruzinsky. Prince Petre married Princess Tamara Dekanozishvili (1897–1977) at the Navtlugi Church of Saint Barbara in Tbilisi in 1915 and had two sons:
Konstantin (1915–1939). Petre (28 March 1920 – 13 August 1984).
