| Hugues de Laon (c.830-) |
Eberhard, duca della marcia del Friuli (c.810-866) |
|
Gisele of Cysoing (c.819-874) |
| Roger I de Laon | Heilwig di Friuli |
| b. c. 867 d. 926 bur. occ. edu. rel. bp. |
b. c. 870 d. c.895 bur. occ. edu. rel. bp. |
| Roger II de Laon, Comte de Laon (890-942) |