Recently I've been able to piece together more information about James and Jane in NSW which was the information I'd been looking for. Otherwise,I can tell you that James (7 other siblings) and Jane (3 other siblings) had 9 chn.in total. Jane's name was recorded in NZ as Greer but her birth records show her as Mary Jane Grier and the remainder of her family- probably from Stoneykirk, Scotland - were known at Grier.
I also have the Agnews going back hundreds of years but haven't recorded them all on the GenesReunited family tree (168 relatives at the moment) which you can also have access to, if you decide to join - it's free. Then we could contact one another personally. I know a few relatives here decended, from Martha and Ella.