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Birth:          ABT 1006 of Meissen, Dresden, Saxony
Death:          Oct 1075 

Notes
https://en.wikipedia.org/wiki/Dedi_I,_Margrave_of_the_Saxon_Ostmark
Dedi (or Dedo) (1004 – October 1075) was the Margrave of the Saxon Ostmark (also 
called Lower Lusatia) from 1046 and a claimant for the title of Margrave of Meissen 
from 1069. He was the second son of Dietrich II of Wettin and Matilda, daughter of 
Eckard I of Meissen.

Dedi inherited the Ostmark from its last dynast, the childless Odo II, because he had 
married his sister, Oda (died before 1068). Oda was herself the widow of William III of 
Weimar and mother of William and Otto, margraves of Meissen successively. When 
Otto his stepson died, Dedi married his widow, Adela of Louvain, and in her name 
claimed the Meissen March.

Otto died in 1067 and was succeeded by Egbert I, but Dedi married his widow in 1069 
and rebelled. In claiming the Meissen March through his wife, Dedi was challenging 
the royal prerogative in the marches. With him in his revolt was Albert II of 
Ballenstedt, who raided the monastery of Nienburg, a foundation of the family of 
Dedi's first wife. Adela of Louvain for her part aggressively supported her husband, so 
much so that Lambert of Hersfeld was compelled to call her a saevissima uxor (rough 
meaning "raging wife"). Adalbert of Bremen, one of the regents of the young king 
Henry IV, frustrated the Thuringian rebels and preserved the peace in Thuringia and 
Meissen. Dedi was confined to Lusatia, where he was succeeded by his eldest son, 
Dedi II.

Dedi left a daughter, Adelaide, by his first wife Oda, who married Ernest, Margrave of 
Austria. By Adela of Louvain, Dedi had two sons: Henry, who later ruled both Lusatia 
and Meissen, and Conrad, who died in battle with the Wends.

Parents
VON WETTIN Dietrich II (ABT  990 - 19 Nov 1034)
VON MEISSEN Mathilda (ABT  980 - )

Siblings
____ Dedi (Dedo) (Dedon) II (ABT 1006 - Oct 1075)
____ Thiemo I (ABT 1020 - ABT 1091)

Marriage To VON DER OSTMARK Oda (ABT 1001 - )
    m. ABT 1029 his 2d, her 1st

Notes

Parents
____ Dietmar (Thietmar) II (ABT  980 - 10 Jan 1030)
VON BEICHLINGEN Reinhild (ABT  985 - )

Children by VON DER OSTMARK Oda ABT 1001 - 
VON EILENBURG Adelaide (Adelheid) (Maud) (ABT 1030 - 26 Jan 1071)

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