Question: Facts:   - imagesize: 250px    - death place: bagdad , tasmania , australia    - period: 1948 -- 1969    - caption: nan chauncy , c. 1950    - birth name: nancen beryl masterman    - death date: 1 may 1970    - genre: children 's literature    - spouse: helmut anton rosenfeld -lrb- 1938 -- 1970 -rrb-      - children: heather chauncy    - birth date: 28 may 1900    - name: nan chauncy    - nationality: british australian    - birth place: northwood , middlesex , england    - occupation: novelist   Based on these bullet points, write a short biography describing the life of nan chauncy .
Answer:
nan chauncy -lrb- 28 may 1900 -- 1 may 1970 -rrb- was a british-born australian children 's writer .