Unlikely to have been married at both All Saints & St Clements but mahe just have been recorded at one church.
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Marriages, John Simmonds, 1771
groom's name: John Simmonds
bride's name: Martha Star
marriage date: 08 May 1771
marriage place: St Clement'S, Hastings, Sussex, England
indexing project (batch) number: M13536-6
system origin: England-ODM
source film number: 1067177
-and-
Marriages, John Simmonds, 1771
groom's name: John Simmonds
bride's name: Martha Star
marriage date: 1771
marriage place: Hastings, All Saints, Sussex, England
indexing project (batch) number: M14807-2
system origin: England-VR
source film number: 1067172
reference number: 2:3K7CRVT