Christophe was the only son of Lonato, Lord of the Gaspard region of the Holy Kingdom of Faerghus. After Lonato encountered and adopted Ashe in Imperial Year 1173, Christophe was raised alongside his new brother. When he was young, Christope attended Officers Academy and was in the Blue Lion House alongside Catherine, who became his close friend. In her supports with Ashe, Catherine described Christope as being very sincere and trusting to a fault.
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In Imperial Year 1176, Christophe was implicated as one of several Kingdom nobles who conspired with the people of Duscur to assassinate King Lambert. Amid the political chaos that followed the Tragedy of Duscur, Christophe was captured by Catherine and turned over to the Knights of Seiros for execution for his apparent role. However, it is later revealed that his charge of involvement in the Tragedy was a lie. In actuality, he was targeted for participating in a plot to assassinate Archbishop Rhea. The circumstances of his charge were relegated just to the Duscur incident in order to hide such an attempt on Rhea’s life and prevent further panic among the populace. In any case, his death had a profound effect on his father; Lonato turned against the Church of Seiros and began plotting a rebellion.