Hermann I. von Kalvelage, Count of Kalvelage, was born circa 1020 to Herman van Ename (c994-c1041) and died 1082 of unspecified causes. He married Ethelinde von Northeim (c1050-c1097) 1070 JL . Charlemagne (747-814), Charlemagne (747-814)/s.
|Offspring of Hermann I. von Kalvelage and Ethelinde von Northeim (c1050-c1097)|
|Hermann I. von Ravensberg (aft1070-c1144)||1070||1144||Judith van Zutphen (c1080-c1127)|