Complex sentence: Jovanović was born in Vienna, capital of the Austrian Empire, to Anastas Jovanović, a lithographer and early photographer from Vratsa (in modern Bulgaria), who was superintendent of the Serbian royal court in Belgrade under Prince Michael.
Split into simpler sentences: Jovanović was born in Vienna, the capital of the Austrian Empire, to a Bulgarian father from Vratsa. His father, Anastas Jovanović (Yovanovich), was a lithographer and early photographer and superintendent of the Serbian royal court in Belgrade under Prince Michael.