| Count Abert I "The Pious" of Vermandois |
|
| Princess Gerberge of Lorraine |
| Count Herbert III of Vermandois | Countess Ermengarde of Vermandois |
| bd. occ. edu. rel. dd. brd. add. ali. |
bd. occ. edu. rel. dd. brd. add. ali. |
| Count Otho Otto of Vermandois |