Alias
- Also: Seseno
- County Granted to Enrique de Trastámara by King Jean II, le Bon, of France, in recognition for his assistance in the wars against the English. The County was later taken away from Enrique for his default in paying a vast sum of money.
- King Charles of France restored the county to Enrique de Trastámara when the latter sought refuge at the Count of Anjou's, Charles's brother (1367), following Enrique's defeat at Nájera (April 3, 1367).
Chronicle entries in which Cessenon appears:
Citation: