Interactive tree of Robert Robertian de Vermandois I

Gerberga Lorraine 975–1019

Lambert Henegouwen van Leuven I 950–1015

Adelais Vermandois 954–991

Charles Lorraine 953–992

Robert Vermandois 931–968

Adelaide Werra Chalon de Vermandois 933–967

Adela Robertian de Vermandois 897–920

Heribert Vermandois II 880–943

Robert Robertian de Vermandois I 866–923

Robert de Neustria IV 815–866

Adelais de Tours 811–866