Mrs
Gertrude de Chaumontois
(Gertrude )
Born at in ~0920.
Roger II
de Laon
(0902-0967)
With
Helvide de Laon
(~0940-)
Hilduin II
de Montdidier
(~0951-0992)
Roger III
de Laon
(0946-0987)
Avicie de Roucy
(~0958-1011)
Source 1 mvanhoegaerden