There is family in Australia and I have left information on that forum. This is an obituary of Mrs Grace Osborne in Cornwall. Grace was the wife of Andrew Osborne and he was a brother of William that married Jane Penglaze. Those attending the funeral were her daughters Miss E Osborne (she married in Devon to Henry Pears and when he died she married his brother and H J Osborne (married William Jewell). Miss E Osborne, Mrs Burrows and Mrs Taylor who were Grace's nieces and the daughters of William and Jane Penglaze. Mrs Taylor was Elizabeth Ann Osborne bapt 1862. Mrs Burrows was Caroline Osborne bapt ? That leaves Miss E Osborne and I wonder if she in the Elizabeth Jane born 1852 that I can't find.
You probably already know this. But there is an Elizabeth Jane Osborne MMN Penglase born 1852 REDRUTH UNION Volume 05C Page 287.