He is married to Adele van Leuven.
They got married
Child(ren):
OTTO (-early 1067). The Annalista Saxo names (in order) "Willehelmus marchio, Otto et Poppo" as the three sons of "Willehelmus comes de Wimmare", when recording the former's appointment as Markgraf von Meissen[1182]. The Annalista Saxo says in one passage that Otto was "matrimonio inpari, matre scilicet Slavica, natus" but elsewhere that Oda (mother of "Dedo iunior") was "mater Ottonis de Orlagemunde"[1183]. Graf von Weimar. He succeeded his brother in 1062 as OTTO Markgraf von Meissen. Vogt of Merseburg cathedral 1066. Graf von Orlamünde. m (before 1060) as her first husband, ADELA de Louvain, daughter of LAMBERT II Comte de Louvain & his wife Uda of Lotharingia (-1083). The Annalista Saxo records "Adhelam de Brabantia, ex castello quod Lovene dicitur" as wife of Markgraf Otto, and later her second marriage to Otto's stepfather[1184]. She married secondly (1069) as his second wife, Dedo II Markgraf der Ostmark [Wettin].
Graf Otto & his wife had three children:
ODA
KUNIGUNDE (-8 Jun 1140).
ADELHEID ([1060/65]-28 Mar 1100).
Bronnen:
[1182] Annalista Saxo 1046.
[1183] Annalista Saxo 1057 and 1070.
[1184] Annalista Saxo 1062 and 1070.
https://fmg.ac/Projects/MedLands/THURINGIAN%20NOBILITY.htm#OttoWeimardied1067
Otto I van Weimar-Orlamünde | ||||||||||||||||||||||||||||||||||
Adele van Leuven |