Here are 2 more older siblings for Edward Gelling:

Results for: Isle of Man, British Isles
Father: John Gelling, Mother: Elr Currin

International Genealogical Index / British Isles - 2
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1. JOHN GELLING - International Genealogical Index
Gender: Male Christening: 02 JUL 1815 Kirk Rushen, Isle Of Man, England

2. JANE GELLING - International Genealogical Index
Gender: Female Christening: 15 NOV 1812 Kirk Rushen, Isle Of Man, England

...and it looks as though John and Eleanor's marriage was a few days before the birth of Jane:

1. ELR. CURRIN - International Genealogical Index
Gender: Female Marriage: 07 NOV 1812 Kirk Rushen, Isle Of Man, England

2. JOHN GELLING - International Genealogical Index
Gender: Male Marriage: 07 NOV 1812 Kirk Rushen, Isle Of Man, England