Come and ask, answer or inform.
| Date from | Date to | Holder | Source |
|---|---|---|---|
| 1698 | 1710/02/02 | Joseph Yves du Breil de Pontbriand (4th Comte de Pontbriand)French Marine Soldier Service 1698-1710 Vauban ordered the construction of a tower on the main islet which was built from 1694 to 1696 by Count Louis de Pontbriand who was captain of the Saint-Malo coast guard and owner of the islet . | ref:631 |