Nielsen Hayden genealogy
Ancestors of Irene Doukaina
Abt 1066 - 1123 (~ 57 years) ┌── John Doukas, Caesar of the Byzantine Empire ( - Abt 1088)
┌── Andronikos Doukas ( - 14 Oct 1077)
│ └── Irene Pegonitissa
│
Irene Doukaina (Abt 1066 - 19 Feb 1123)
│
│ ┌── Iwan Wladislav, Tsar of Western Bulgaria (Abt 975 - Feb 1018 Dyrrhachium, Albania) =>
│ │ └── Marija (Abt 975 - Aft 1029)
│ │
└── Maria of Bulgaria ( - Aft 1081)