There are at least 4 artists with this name: 1) Doris Nefedov, born Treitz, (May 19, 1942 - July 31, 1969) was a German singer who performed under the stage name Alexandra. Nefedov was born on May 19, 1942 in Heydekrug, Memelland (today: Silute, Lithuania). Her first hit single, "Zigeunerjunge" ("gypsy boy"), came out in 1967; several more followed, including "Sehnsucht" ("yearning"), "Schwarze Balalaika" ("black balalaika") and "Mein Freund, der Baum" ("my friend, the tree").