no image
Privacy Level: Open (White)

Ulrich (Weimar) von Istrien (abt. 1020 - 1070)

Ulrich (Ulrich I) "Markgraf von Krain und Istrien" von Istrien formerly Weimar
Born about [location unknown]
Ancestors ancestors
[sibling(s) unknown]
Husband of — married [date unknown] [location unknown]
Descendants descendants
Died [location unknown]
Profile last modified | Created 18 Sep 2016
This page has been accessed 999 times.
European Aristocracy
Ulrich I Weimar was a member of the aristocracy in Europe.


Ulrich I was the only son of Poppo I von Weimar, Markgraf von Krain und Istrien (Carniola and Istria in English), and his wife Hadamut von Istrien, heir of Krain and Istrien.

His father died before 1044, and Ulrich is mentioned as Markgraf von Krain in 1045, and Markgraf von Istrien in 1060. He died 6 March 1070.[1]


He married about 1062/63, Sophia of Hungary, daughter of Bela I, King of Hungary

They had issue;

  1. Poppo II, succeeded his father as Markgraf von Krain und Istrien;
  2. Ulrich II, succeeded as Graf von Weimar, and his brother as Markgraf von Krain und Istrien;
  3. Richgard, married Ekkehard von Wittelsbach, Graf von Scheyern, and had issue[1]
  4. (possibly) Adelheid, married 1) Friedrich, Domvogt von Regensburg; 2) Udalschalk, Graf im Lurngau und Gündkofen, and died in Kloster Tegernsee perhaps in 1122, but before 1124.[2]

After his death, his widow, married Magnus Billung, Duke of Saxony, and had further issue.[1]


  1. 1.0 1.1 1.2 Schwennicke, Detlev, ed. Europäische Stammtafeln. Neue Folge ed. Band I.1. Frankfurt Am Main: Vittorio Klostermann, 1998. Tafel 144.
  2. Cawley, Charles, 'Carinthia: Chapter 3A Marchesi of Carniola and Istria', Medieval Lands: A prosopography of medieval European noble and royal families, version 3.1, 7 March 2015. Foundation of Medieval Genealogy website : accessed 18 September 2016.

More Genealogy Tools

Sponsored Search

Is Ulrich I your ancestor? Please don't go away!
 star icon Login to collaborate or comment, or
 star icon contact private message the profile manager, or
 star icon ask our community of genealogists a question.
Sponsored Search by

No known carriers of Ulrich I's DNA have taken a DNA test.

Have you taken a DNA test? If so, login to add it. If not, see our friends at Ancestry DNA.

Sponsored by Ancestry ®

Family History Search.


Enter a grandparent's name. Just one grandparent can lead you to many discoveries.

Comments: 1

Leave a message for others who see this profile.
There are no comments yet.
Login to post a comment.
VonIstria-1 and Istria-5 appear to represent the same person because: Clear duplicate
posted by László Kóczy

W  >  Weimar  |  V  >  von Istrien  >  Ulrich (Weimar) von Istrien