George Obrenovic

Milan George Obrenovic born Obren Christich was the natural son of King Milan I of Serbia and his Greek mistress Artemisia Hristi . After the regicide of his half brother King Alexander in 1903 George became a claimant to the Serbian throne in opposition to the new king, Peter I Karadordevic before ending his life in obscurity.

Although commonly known as George Obrenovi he was born in Belgrade as Obren Hristi. Acknowledged by King Milan as his son, he was given the name Obren at birth to underline his kinship to the ruling House of Obrenovi. The husband of Georges mother was Milan Hristi, the kings private secretary and son of the Serbian statesman Filip Hristi.

Source: Wikipedia