Administratively the mountain is divided between the French communes of Cordéac (NE slopes) and Monestier-d'Ambel (SW slopes).
His eldest son Stephen had died ten years earlier and Raymond left only daughters; the Salic law did not apply to dauphinoise land so the eldest, Burguette, became Lady Ambel and her husband, Raymond de la Villette was Lord "of his wife's head" until his death.
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Peter had, by concession from the Dauphin, high, middle, and low jurisdiction rights over Ambel.
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Ardradus, son of Bysardon, had a son Eldrade (781-844?) who became a monk and gave up all his rights to Novalesa Abbey in Piedmont, Italy.