Nielsen Hayden genealogy
Ancestors of Konstantinos Diogenes
Abt 1050 - 1074 (~ 24 years) ┌── Gen. Konstantinos Diogenes (Abt 990 - 1032)
┌── Romanos IV Diogenes, Emperor of Byzantium (Abt 1022 - 1072)
│ │ ┌── Basil Argyros (Abt 970 - Aft 1023)
│
Konstantinos Diogenes (Abt 1050 - 1074 Antioch, Anatolia)
│
│ ┌── Iwan Wladislav, Tsar of Western Bulgaria (Abt 975 - Feb 1018 Dyrrhachium, Albania) =>
│ ┌── Alusian, Tsar of Bulgaria (Abt 995 - ??)
│ │ └── Marija (Abt 975 - Aft 1029)
│ │
└── (Unknown daughter of Alusian of Bulgaria) ( - Bef 1065)