Does Anyone Have Information on a Robert Coward Moved to New Zealand from Australia Uncle of Raymond Coward UK

Robert had one brother, who had traveled to Australia, from England, UK. Then relocated to New Zealand.

Robert had a sister who died in England, UK in 1972

Robert is an uncle to Raymond Coward, of England, UK born 1933

Raymond Coward, married to Mary Philamena Singleton, had 4x siblings.
Parents and siblings still alive.