This is the information I have about John Amery:
I do not go back any further than John Amery b 1811 and are unaware of names of any of his siblings.
He married Grace Scott (b 1806) in 1828 who died in 1848.
I believe they had the following children:
Eleanor b1829, John b 1831, George b 1837, Joseph b 1842, Mary b 1842 and Mark b 1844.
After Grace's death, he married Jane in 1851.
John died in 1866 in Williton.
I have gained this information from census records and BDM records.
I hope this information helps.
Elaine