Putting together a chronology:
Edwin James Farlow Prior mmn Belcher, Mar qtr 1899 Wokingham
Leonard James Prior mmn Belcher, Mar qtr 1900 Wokingham (died Mar qtr 1903 Reading, aged 3)
Alfreda Mary Esther Prior mmn Belcher, Sep qtr 1902 Wokingham
Arthur James Prior mmn Belcher, Sep qtr 1904 Reading