_Louis VI CAPET _____+
                                            | (1081 - 1137)       
                       _Robert I DREUX _____|
                      | (1123 - 1188)       |
                      |                     |_Adelaide of SAVOY __+
                      |                       (1092 - 1154)       
 _Robert II DREUX ____|
| (1154 - 1218)       |
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|                     |_Agnes of BAUDEMONT _|
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|--Philippa of DREUX 
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|_Yolanda of COUCY ___|
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