Nielsen Hayden genealogy
Family: Béla II "the Blind", King of Hungary / Jelena of Serbia (F13112)
m. 28 Apr 1127Almos of Hungary (1068-1129) 
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| Uros of Serbia (1080-1140)
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Marija of Serbia ( -1191)  |
| Béla II "the Blind", King of Hungary (1108-1141)
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| Jelena of Serbia (1110-1147)
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| Elisabeth of Hungary (1128-1154) |