1. Corbic? married Gerolf de Friesland.
Gerolf de Friesland, son of Gerulf de Friesland (c. 790-aft834), was born circa 0815 in Belgium. He died after 0839. He and Corbic? had the following children:
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2. Count Gerolf de Friesland, son of Gerolf de Friesland and Corbic?, was born circa 0845.
Count Gerolf de Friesland had the following children:
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3. Count Diedrich I de Friesland, son of Count Gerolf de Friesland, was born circa 0900. He married Gerberge (Geva) de Mayinhard.
Gerberge (Geva) de Mayinhard and Count Diedrich I de Friesland had the following children:
| 4 | Count Diedrich II de Friesland (c. 938-966). Count was born circa 0938. He died in 0966. |