Herve I (unknown) 
Osmelline Ligembert Sigemberg Ormellinus Herve II
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| Herve I (unknown) |
| Osmelline Ligembert Sigemberg Ormellinus Herve II
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Herve I Avenel, baron of Biards
abt 0995 - ??
(unknown)
?? - ??
Married: ?? - ??
Osmelline des Biarz Avenel
abt 1060, Seez, Normandy France - abt 1129
Ligembert des Biarz Avenel
?? - ??
Sigemberg des Biarz Avenel
?? - ??
Ormellinus des Biarz Avenel
?? - ??
Herve II Avenel
?? - ??