| | Baldwin IV Count of Flanders 980–1035 | | |
| | Arnulf II Count of Flanders 961–987 | | |
| | Baldwin III Count of Flanders 940–962 Mathilde Billung of Saxony …–… | | |
| | Adele of Vermandois 915–969 Arnulf I Count of Flanders 890–965 | | |
| | Herbert II Count of Vermandois …–943 | | | | Robert I King of the Franks 860–923 Beatrice of Vermandois 880–931 | | | | Robert The Strong 825–866 |
| | | Herbert I, Count of Vermandois …–… | | | | Pepin Count of Vermandois …–… |
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| | | Herbert I, Count of Vermandois …–… | | | | Pepin Count of Vermandois …–… |
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