Βασίλειος ο 1ος ο Μακεδών. Αρμένης, Σλάβος ή Αρμενοσλάβος
http://en.wikipedia.org/wiki/Basil_I
From peasant to emperor
Basil was born to peasant parents in late 811 (or sometime in the 830s in the estimation of some scholars) at Charioupolis in the Byzantine theme of Macedonia (an administrative division corresponding to the area of Adrianople in Thrace).[2][3] Contemporary Byzantine Thrace was inhabited by people of Slavic, Greek and Armenian origins. Claims have been made for an Armenian,[4] Slavic,[5][6] or indeed “Armeno-Slavonic”[3] origin for Basil I. The English Byzantinist John Bagnell Bury dismissed claims of him being of Slavic origin on the basis that the Arabs viewed all Macedonians as Slavs,[7] a view supported by Peter Charanis, a prominent historian who specialized in ethnic studies of the Byzantine Empire.[8] The author of the only dedicated biography of Basil I in English has concluded that it is impossible to be certain what the ethnic origins of the emperor were, though Basil was definitely reliant on the support of Armenians in prominent positions within the Byzantine Empire.[9] During his reign, an elaborate genealogy tree was produced that purported that his ancestors were not mere peasants, as everyone believed, but descendants of the Arsacid (Arshakuni) kings of Armenia and also of Constantine the Great.[10] Members of the Macedonian dynasty would come to use this tree to claim their descent from King Tiridates III of Armenia.
H σκηνοθετημένη βιογραφία του αυλοκόλακα πατριάρχη Φώτιου
http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=wtm2&id=I14377
The patriarch Photius prepared a genealogy, now lost, allegedly demonstrating that Basil was descended from the Arsacid Armenian king Tiridates, the first Christian ruler of Armenia. A summary account of Basil’s distant origins, which does not mention Photius’ work, is given by the emperor Constantine VII, son of Leo VI, who makes Basil a scion of the Arsacid line, but this account does not seem very consistent with known history. [Ref: Chris Bennett SGM 12/18/1995-152244]