Draga

This is Draga Mašin. Last Obrenović Queen. Her husband King Alexander of Serbia and her were assassinated. The Serbian people blamed her for her husbands problems. Natalija (Natalie) Alexander's mother opposed the marriage and was exiled by her son.

Read about her hear [link]

This was a crappy colourization. I can't find many quality photos of the Obrenović royal family.