See also
| Partner: | Nithard "the Chronicler" of PONTHIEU (c. 790-844) | |
| Partner: | (unknown) | |
| Children: | Helgaud I de PONTHIEU (c. 805-864) | |
| Name: | Nithard "the Chronicler" of PONTHIEU | |
| Sex: | Male | |
| Father: | Angilbert "the Saint" de PONTHIEU (c. 775-814) | |
| Mother: | Bertha de FRANCE (c. 776- ) | |
| Birth | c. 0790 | |
| Death | 14 Jun 0844 (age 53-54) | Saint-Riquier, Somme, Picardy, France |
| Name: | Helgaud I de PONTHIEU | |
| Sex: | Male | |
| Spouse: | Oneca de Pamplona INIGUEZ (c. 805- ) | |
| Birth | c. 0805 | |
| Occupation | Count de Ponthieu and Montreuil | |
| Death | 0864 (age 58-59) | |