Census say Susan born in Barking, found the following baptism at Barking which may be her.
Susan ROBERTS
born 2nd February, 1806
bap. 30th March, 1806
daughter of James and Elizabeth.
Census also says George born in Clavering and found the following bap.
George Parker
born May 31st 1810
bap 5th August 1910
son of Philip and Ann.
Marriage in Clavering
Philip Parker
Ann Martin
both single and of the parish
by banns
12th September, 1799
witnesses
John Game
Ann Hayden