Ulrich I Tzyerza (-25/26 September 1466), Graf zu Ostfriesland

Same as
Additional names
Parents
Father:1Enno Edzardisna (-)
Mother:2Gela von Manslagt (-)
Spouses and relationship events
Married:3Folke von Esens (-)
Married:427 May 1453Theda Ukena (-16 September 1494)Berum [city/town], Hage [municipality], Aurich [county], Lower Saxony [state], Germany [country]
Papal dispensation for being related in the 4th degree dated 14 December 1454.
Children
Children with Theda Ukena:
Heba von Ostfriesland (18 November 1457-1476)5
Gela von Ostfriesland (9 February 1458-1492)6
Enno I (1 July 1460-19 February 1492), Co-regent of Ostfriesland7
Edzard I “der Grosse” (15 January 1462-16 February 1528), Graf zu Ostfriesland8
Uko von Ostfriesland (1 April 1464-10 July 1507)9
Attributes
Occupation:10Graf zu Ostfriesland
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