Question: When was Stefan Mihajlović's father born?
Sentence (from "Stefan Bogoridi"): Prince ("Knyaz" or "Bey") Stefan Bogoridi (born "Стойко Цонков Стойков", "Stoyko Tsonkov Stoykov"; Bulgarian: княз Стефан Богориди ; Greek: Στέφανος Βογορίδης ; Romanian: "Ștefan Vogoride" ; Turkish: "Stefanaki Bey" ; 1775 or 1780–August 1, 1859) was a high-ranking Ottoman statesman of Bulgarian origin, grandson of Sophronius of Vratsa and father of Alexander Bogoridi and Nicolae Vogoride.
Relevant evidence: No