Events
Date of Birth: about 1057.
Place of Birth: unknown.
The date is given by Brand et al.
Date of Death: 15 August 1118.
Place of Death: Constantinople.
The date and place are given by Brand et al.
Relationships
Father: Ioannes Komnenos.
This relationship is given by Radić, by Varzos (p. 87), by the ODB (Genealogy of the Komnenos Family), by Brand et al., and by the PBW, citing Christos Philanthropos, note 29 and Bryennios 77.19-79 and 87.7-8.
Mother: Anna Dalassena.
This relationship is given by Radić, by Varzos (p. 87), by the ODB (Genealogy of the Komnenos Family), by Brand et al., and by the PBW, citing 11 sources.
Spouse: a daughter of someone surnamed Argyros.
The relationship is given by Varzos (p. 87) and by the PBW, citing Bryennios 221.14.
Spouse: Irene Doukaina.
This relationship is given by Radić, by Varzos (p. 88), by the ODB (Genealogy of the Komnenos Family), by Brand et al., and by the PBW, citing 10 sources.
Children (by Irene):
(Complete source citations for facts about the children on this page are currently outside of the scope of this project. Most information below comes from Cawley.)
Anna (born 1 or 2 December 1083, died 1149 - 1154) married Nikephoros Bryennios. Anna wrote the Alexiad.
Maria (19 September 1085 - after about 1153) married (1) Gregorios Gabras; married (2) Nikeforos Euphorbenos.
Ioannes (13 September 1087 - 8 April 1143), later Emperor Ioannes II.
Evdokia (14 January 1089 - before 1030 or 1031) married Mikhael Iasites.
Andronikos (18 September 1091 - before 1030 or 1031).
Isaakios (16 January 1093 - soon after 1152) married Irene.
Theodora (born 15 January 1096) married Konstantinos Angelos.
Manuel (born February 1097).
Zoe (born March 1098).
References
Brand, Charles M., Philip Grierson, and Anthony Cutler “Alexios I Komnenos” in The Oxford Dictionary of Byzantium (Oxford University Press, 1991).
Cawley, Charles. “Emperor ALEXIOS I” in Medieval Lands: A prosopography of medieval European noble and royal families.
Kazhdan, Alexander P. and others, eds. The Oxford Dictionary of Byzantium (Oxford University Press, 1991).
M. Jeffreys et al., Prosopography of the Byzantine World (2011) “Emperor Alexios I Komnenos” http://db.pbw.kcl.ac.uk/pbw2011/entity/person/106238 [consulted 31 July 2014].
Radic Radivoj, "Komnenian dynasty (1081-1185)", 2008, Encyclopaedia of the Hellenic World, Constantinople
Varzos (Barzos), Konstantinos. Η Γενεαλογία των Κομνηνών. The Centre for Byzantine Studies of the School of Philosophy, University of Thessaloniki:1984.