_Wichmann II BILLUNG _+ | (0820 - 0881) _Egbert BILLUNG _____| | (0855 - 0932) | | |______________________ | _Billung of BILLUNG ___| | (0880 - 0967) | | | ______________________ | | | | |_____________________| | | | |______________________ | | |--Hermann BILLUNG | (0900 - 0973) | ______________________ | | | _____________________| | | | | | |______________________ | | |_Ermangarde of NANTES _| | | ______________________ | | |_____________________| | |______________________