_Eustace I C of Boulogne______________________ _Eustace II C of Boulogne_|_Maud of Louvain______________________________ _Geoffrey of Boulogne____| | | _Godfrey IV "the bearded" D of Lower Lorraine_ | |_Ida of Lorraine__________|_Ida (Dada) __________________________________ _William de BOULOGNE _| | | ______________________________________________ | | _Geoffrey de MANDEVILLE __|______________________________________________ | |_Beatrice de MANDEVILLE _| | | ______________________________________________ | |_Athelaise _______________|______________________________________________ _Faramus de BOULOGNE _| | | ______________________________________________ | | __________________________|______________________________________________ | | _________________________| | | | | ______________________________________________ | | | |__________________________|______________________________________________ | |______________________| | | ______________________________________________ | | __________________________|______________________________________________ | |_________________________| | | ______________________________________________ | |__________________________|______________________________________________ | |--Sibyl de BOULOGNE | | ______________________________________________ | __________________________|______________________________________________ | _________________________| | | | ______________________________________________ | | |__________________________|______________________________________________ | ______________________| | | | ______________________________________________ | | | __________________________|______________________________________________ | | |_________________________| | | | ______________________________________________ | | |__________________________|______________________________________________ |_Matilda _____________| | ______________________________________________ | __________________________|______________________________________________ | _________________________| | | | ______________________________________________ | | |__________________________|______________________________________________ |______________________| | ______________________________________________ | __________________________|______________________________________________ |_________________________| | ______________________________________________ |__________________________|______________________________________________
One source calls her Sibyl "de Tingry", by which her father was also
known.