1. Heribert of Gleibur, Count of Gleibur married Irmengarde Megingoz.
Irmengarde Megingoz was the daughter of Count Megingoz ( - ). She and Heribert of Gleibur, Count of Gleibur had the following children:
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2. Ermentrude of Gleibur, daughter of Heribert of Gleibur, Count of Gleibur and Irmengarde Megingoz, married Frederick I, Count of Luxembourg.
Frederick I, Count of Luxembourg and Ermentrude of Gleibur had the following children:
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3. Otgiva de Luxembourg, daughter of Frederick I, Count of Luxembourg and Ermentrude of Gleibur, married Baldwin IV KING OF FLANDERS.
Baldwin IV KING OF FLANDERS, son of Arnulf II KING OF FLANDERS & ARTOIS (961-988) and Rosala of Ivrea (Italy) ( - ), was born in 0980. He was a King of Flanders. He died in 1035. He and Otgiva de Luxembourg had the following children:
| 4 | Baldwin V KING OF FLANDERS (1012-1067). Baldwin was born in 1012. He was a King of Flanders. He died in 1067. |