Conrad the Red married Liutgarde , a daughter of Emperor Otto I. Their son Otto I , Duke of Carinthia ruled Carinthia from 978 to 1004 .
Werner of Worms and his son Duke Conrad the Red of Lorraine , who died in 955 , founded the ancestral dynasty .
Conrad     married Liutgarde , a daughter of Emperor Otto I. Their son Otto I , Duke of Carinthia ruled Carinthia from 978 to 1004 .
Werner of Worms and his son Duke Conrad the Red of Lorraine , who died in 955 , founded the ancestral dynasty .