Her paternal grandmother, Princess Anka Obrenović, was the niece of Miloš Obrenović I, Prince of Serbia, founder of the House of Obrenovic.
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Prince Miloš Obrenović puts him in governmental work, appointing him customs officer in Višnjica, on the Danube and later Belgrade.
His father, Petar, was a rural merchant and shopkeeper from Blaznava, although a story circulated that he was an illegitimate son of Prince Miloš Obrenović and a lady of Miloš's household whom Miloš married off to a village storekeeper before Blaznavac was born in 1824.