Siegfried III. from Boyneburg
Siegfried III. von Boyneburg (* around 1050; † 1107 ) from the Northeim family was Count of Boyneburg from 1083 to 1107 .
He was the youngest son of Duke Otto von Bayern from the Northeim family and Richenza von Swabia , daughter of Duke Otto II.
Siegfried and his brother Kuno were hostages of King Henry IV in 1075/76 and later became his loyal supporters. Siegfried was Count in Hessengau , Nethegau and Ittergau , Vogt of Corvey and Northeim . In 1089 he was a judge over Margrave Ekbert II of Braunschweig-Meißen and pronounced eight over him .
He married Countess Adelheid von Holstein. The two only son was Siegfried IV. Von Boyneburg . Their daughter was Richenza von Boyneburg .
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| personal data | |
|---|---|
| SURNAME | Siegfried III. from Boyneburg |
| BRIEF DESCRIPTION | Count of Boyneburg |
| DATE OF BIRTH | around 1050 |
| DATE OF DEATH | 1107 |