Alexandra Frederica Wilhelmina was born at her parents' palace at Embarkment, 2 in
St. Petersburg on , as a Duchess of
Oldenburg. She was the eldest of the eight children of
Duke Peter of Oldenburg and his wife
Princess Therese of Nassau-Weilburg, half-sister of
Sofia of Nassau,
queen consort of
Oscar II of Sweden. where her family was closely related to the
Romanov dynasty. Duke Peter, Alexandra's father, was the only surviving son of Grand Duchess
Catherine Pavlovna, the fourth daughter of Tsar
Paul I of Russia. Peter of Oldenburg followed a military career in the
Imperial Russian Army and was also a scholar, a music composer and philanthropist. Alexandra's mother,
Princess Therese of Nassau-Weilburg, was interested in painting and like her husband was deeply involved in charity work, so much so that she was considered an eccentric. The family spent the winter months in
Peterhof and moved for the summer to their other residence Kamenoi-Ostroff. There, Alexandra and her siblings had a children's farm where they grew vegetables and tended farm animals under the supervision of their Russian governess. Alexandra and her siblings grew up surrounded by art and music. She learned Russian, German, English and French. Besides the usual school subjects, the children had to practice music, painting, dancing, riding and palace etiquette. Alexandra excelled at the arts and she was also interested in literature, Russian history and genealogy. Alexandra's education awoke in her an interest in medicine and in solving social problems of the poor. In 1848, Alexandra's parents took her and her younger brother, Nicholas, to visit their relatives in Germany. They stayed with Alexandra's maternal family in
Wiesbaden and Alexandra's paternal relatives in
Oldenburg. ==Marriage==