| name: Hazel Elyen Dunville | spouse: Vincent Cavanaugh |
| father: George Robert Dumville | father: John Cavanaugh |
| mother: Harriet Couchman | mother: Ella May McAvoy |
| born: 14 June 1892 | born: 18 August 1893 |
| place: St Catherines, Ontario | place: Newburg, Ontario |
| died: 12 April 1971 | died: 5 December 1970 |
| buried: Hamilton, Ontario | buried: Centerville, Ontario |
| married: | at Melville, Saskatchewan |
| Helen Gertrude | born 19 July 1920, Regina, Saskatchewan
married Thomas E Bowles (born 14 November 1911, Belville, Ontario) |
| Marion Ella | born 20 April 1923, Biggar, Saskatchewan married Archie L Dowdie (born 10 August) |
| George James | born 2 September 1924, Biggar, Saskatchewan married Pearl Irene Estelle Ramlagan (born 17 December 1926, Essequibo, British Guiana, daughter of Joseph Edward Ramlagan, the Rice Inspector for the Rice Marketing Board of British Guiana, and Florence Alberta née Archer. Pearl was a missionary with The Pilgrim Methodist Church when she was in Guyana, and Deaconess with the Presbyterian Church and a teacher. She was a missionary in the tropical forest which is now a city. She has three children and eight grandchildren. She was interviewed by CBC at the time of the Queen's funeral.) |
| Robert Gordon | born 2 February 1925, Biggar, Saskatchewan |
| John (Jack) Vincent | born 12 April 1926, Biggar, Saskatchewan married Catherine Jolun (born 15 April 1923, Hawkesbury, Ontario) |
| Marjorie Imelda | born 11 May 1927, Centerville, Ontario |
| Francis Joseph | born 2 January 1932, Napanee, Ontario |
| William Lawrence | born 2 December 1934, Napanee, Ontario, died May 1935 |
| Elizabeth (Betty) Burnadette |
born 2 December 1937, Napanee, Ontario died 26 December 2022 married Eric Thompson (born 22 July 1935, Hamilton, Ontario |
Information for this page was compiled in 1972 by Wilfred Leslie Dunville (1894-1976) and given by his son Lawrence Leslie Dunville (b 1924) to Clifford Dumville (b 1923) in 1991. It was published in Clifford Dumville's book 'Robert Dumville of Hunton England and his Descendants in England USA and Canada', where it was revised in 1997.