Westfalengau
The Westfalengau was a medieval county in the Ruhr and Lippe area .
Counts in the Westfalengau were:
- Liutger, † February 26, 1011 , son of Hermann Billungs , attested in 991, 1001 count in Westfalengau, buried in St. Michaelis in Lüneburg ( Billunger )
- Gerhard, Graf im Hamaland 1082, Graf im Westfalengau 1085, son of Gerhard Flamens († 1082)