^An alternative date of birth occasionally given is 1168 (van Dieten 1975, hlm. 169), based on William of Tyre's statement that Alexios was 13 in 1180. For discussion, concluding that 14 September 1169 is correct, see (Wirth 1956); (Magoulias 1984, hlm. 383).
Magdalino, Paul (1993), The Empire of Manuel I Komnenos
translated by Harry J. Magoulias., Harry J., translator (1984), O city of Byzantium: annals of Niketas Choniates, Detroit: Wayne State University Press, ISBN0-8143-1764-2; Pemeliharaan CS1: Banyak nama: authors list (link)
van Dieten, J. L., editor (1975), Nicetae Choniatae historia, Berlin: De Gruyter Pemeliharaan CS1: Banyak nama: authors list (link)
Wirth, Peter (1956), "Wann wurde Kaiser Alexios II. geboren? [When was Emperor Alexios II born?]", Byzantinische Zeitschrift, 49: 65–67