 Indeed, in 1663 a French translation of the Book of Common Prayer was authorised by Charles II for use by Anglicans in the Island.In 1651, after Jersey was captured by Parliamentarian forces, the church was used initially as a barracks by the victors, and then as a garrison church.The parish guns for the militia were kept in a store on the site of the present Narthex, and were taken for their own use by invading French forces in 1781 during the Battle of Jersey.