The same happens with George MANN as well 1808 and 1812 in Awre , however a George also seems to die in 1808 aged 3 weeks. No record of a death for Christianna - so perhaps both children were sick - the daughter survives and is baptised with new brother George in 1812

one is a private baptism , the second is perhaps more "open" -

Year: 1812
Month: Jan
Day: 19
Parents Surname: MANN
Child Forenames: Christianna
Father's Forenames: John
Mother's Forenames: Grace
Mother's Surname: [nee](Munday Sp[inste]r)
Place of Residence:
Occupation:
Officiating Minister: Charles Sandiford Vicar
Event type: Baptism
Memoranda: [1]D[aughter] [2]b[or]n July 30 1808
Notes: Blakeney Chapel
Register Reference: P30 1 IN 1 Part 2
Page No: 578
Parish_Chapel: Awre

Year: 1808
Month: Jul
Day: 15
Parents Surname: MANN
Child Forenames: Chrsitianna
Father's Forenames: John
Mother's Forenames: Grace
Mother's Surname: [nee](Munday Sp[inste]r)
Place of Residence:
Occupation:
Officiating Minister: Charles Sandiford Vicar
Event type: Baptism
Memoranda: [1]D[aughter] [2]b[or]n July 14 priv[atel]y b[aptise]d July 15
Notes: Blakeney Chapel
Register Reference: P30 1 IN 1 Part 2
Page No: 570
Parish_Chapel: Awre

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Ἀριστοτέλης A Gloster Boy in the Forest of Dean ><((((*>