Answer
Emperor Alexander III was Olga's father. Olga was born in 1882, the eldest daughter of the Russian Emperor Alexander III and his wife, Empress Maria Feodorovna. Olga's father, Alexander III, was known as the "Peacemaker" due to his efforts to maintain peace in Europe and his focus on domestic reforms. He died in 1894, and Olga's younger brother, Nicholas II, succeeded him as Emperor.