til 12. kynslóðar
0━┳
Bertie Frederick Dumper ca 1880-ca 1934 &1903 Alice Maud Scutt 1877-ca 1955
┣━1──
Lilian Maud Dumper ca 1904-ca 1947 &ca 1934 Stanley James Hamer 1908-
┣━2──
Violet Alice Dumper ca 1906-
┣━3──
Rose Gladys Dumper ca 1909- &ca 1932 Stanley H. Riley †
┣━4──
Annie Florence Dumper ca 1911-
┣━5──
Ivy E. Dumper ca 1914
┗━6━━
Frederick C. Dumper ca 1916
Alls: 6 afkomendur (10 einstaklingar með [spouses])