Poppo I of Blankenburg
Encyclopedia
Poppo I of Blankenburg probably came from the House of Reginbodonen and was Count of Regenstein-Blankenburg in the Harz in central Germany.
His uncle was the Bishop
of Halberstadt, Reinhard of Blankenburg
, who probably paved the first steps for him.
As the vassal of Duke Lothair of Supplinburg he exercised count's rights in the Harzgau
and was later recorded as a vassal of Henry the Lion
. From 1128 he was given the title of comes
. His county, which had probably been created by his in-law, Lothair of Supplinburg, was in the eastern Harzgau
between the rivers Ilse and Bode. (Lothair was also an in-law of Burchard I of Loccum).
He married Richenza of Boyneburg, the daughter of Count Siegfried III of Boyneburg.
In 1163 as the brother-in-law of the late count, Siegfried IV of Boyneburg, who had died in 1144, he brought certain claims agains Northeim Abbey, mediated by his wife, Richenza, before Henry the Lion, who had to uphold them.
His uncle was the Bishop
Bishop
A bishop is an ordained or consecrated member of the Christian clergy who is generally entrusted with a position of authority and oversight. Within the Catholic Church, Eastern Orthodox, Oriental Orthodox Churches, in the Assyrian Church of the East, in the Independent Catholic Churches, and in the...
of Halberstadt, Reinhard of Blankenburg
Reinhard of Blankenburg
Reinhard of Blankenburg was Bishop of Halberstadt from 1107 to 1123.He was related to the later comital family. Reinhard may have not have been native in Saxony, but had Saxon relations. His nephew, who was not from Saxony, was Count Poppo I of Blankenburg. Reinhard assisted him by granting him an...
, who probably paved the first steps for him.
As the vassal of Duke Lothair of Supplinburg he exercised count's rights in the Harzgau
Harzgau
The Harzgau was a medieval 'gau' county near the northeastern Harz mountains in the Eastphalia region of the Duchy of Saxony. It included the towns of Halberstadt, Quedlinburg, and Osterwieck, and was bounded by the Oker in the west, by the Großer Graben in the north, the Bode in the east, and the...
and was later recorded as a vassal of Henry the Lion
Henry the Lion
Henry the Lion was a member of the Welf dynasty and Duke of Saxony, as Henry III, from 1142, and Duke of Bavaria, as Henry XII, from 1156, which duchies he held until 1180....
. From 1128 he was given the title of comes
Comes
Comes , plural comites , is the Latin word for companion, either individually or as a member of a collective known as comitatus, especially the suite of a magnate, in some cases large and/or formal enough to have a specific name, such as a cohors amicorum. The word comes derives from com- "with" +...
. His county, which had probably been created by his in-law, Lothair of Supplinburg, was in the eastern Harzgau
Harzgau
The Harzgau was a medieval 'gau' county near the northeastern Harz mountains in the Eastphalia region of the Duchy of Saxony. It included the towns of Halberstadt, Quedlinburg, and Osterwieck, and was bounded by the Oker in the west, by the Großer Graben in the north, the Bode in the east, and the...
between the rivers Ilse and Bode. (Lothair was also an in-law of Burchard I of Loccum).
He married Richenza of Boyneburg, the daughter of Count Siegfried III of Boyneburg.
In 1163 as the brother-in-law of the late count, Siegfried IV of Boyneburg, who had died in 1144, he brought certain claims agains Northeim Abbey, mediated by his wife, Richenza, before Henry the Lion, who had to uphold them.