The first entry in an index
In a handwritten index of the Diocese of Utrecht the courtyard Cobrugge was mention for the first time. This index was made till a book in 1891 by Mr. S. Müller.
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It goes about annotation of payments from feuds, courted and serfs at the thane. The courtyard Cobrugge was property of the thane. The payments of rent flowed indirectly by the steward (officer of the vassal) to the diocese. The index described this about the period of 1325 till 1336.