Brown B 1808 Papplewick Nottinghamshire

I believe John Brown was Williams Father but could someone confirm please and more info if possible

William m Mary Ann Swain 1830 Papplewick.
William had seven children and migrated to NSW and had one more child.
My tree:
William
Alfred
Clarence
Clarence
Clarence (Myself)

Also I am also following Duff, Sadler, Horton, Cannon,