Pierre Bruyère's mother in one timeline was an explorer of the Arctic. She and her husband, Pierre's father, ran a bakery in Paris. They were intent on Pierre also working in the bakery.

She and her husband took their son, Pierre, to an exhibition of the Arctic in Paris, where Pierre told them that he was going to be the first explorer to reach the Arctic and that there was no possibility of them changing his mind, despite his mother pointing out that the Arctic looked incredibly cold by the looks of the picture.

During a mission to the Arctic, the Tenth Doctor revealed to her son that he was stuck in a time distortion and had no choice but rewrite the events. In the rewritten timeline, Pierre worked in the bakery but had flashbacks of the Arctic that he did not understand. (PROSE: The Frozen Wastes)

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