Brian Hallam is the chap who has provided a lot of my information. He's on the Gold Coast I believe. If you email me direct, I'll give you his email address. He's researched the Australian end as well as coming over here several times and investigated the local parish records.
John Dicker b 1812 and originally married to Mary Ann Budge married Jane Polglase 24 Dec 1871.
He had at least 12 siblings as follows: Elizabeth 1800 Jane 1801 Joseph 1804-47 Ann 1806 Mary 1810-35 Sarah 1815 Amy 1817 Richard 1820-20 Lydia 1821-1906 Andrew 1823-24 Richard 1824-25 as you can see he was born between Mary and Sarah.