Marie Amelie Dolbel, daughter of James and Jeanne (née Le Boutillier) was baptised at St Saviour, Jersey, 29 Aug 1824:
www.theislandwiki.org/index.php/Dolbel_baptisms_in_JerseyYounger Dolbel siblings for her from the same list:
William, 19 Nov 1830, St John
James Graham, 3 Oct 1832, St John
Ann, 20 Mar 1834, St John (as Ann Dolbell she is with the Diamonds in the 1861 census, aged 24).
Horatio Diamond, 21 Oct 1836, St John
Charles, 23 Mar 1846, St John