até à 12nda geração
0─┬
Elizabeth Agg 1825-1905 &1849 Samuel Charles Halliday 1823-1901
└─1━┳
George Agg Halliday 1856-1929 &1882 Margaret Scutts ca 1854-1928
┣━1──
Margaret E. Halliday 1884- & Edward Albert Russell Wood †
┣━2━━
Charles Henry Halliday 1885-
┣━3━━
Royston George Halliday 1888-1969 & Ada Phoebe Newth 1876-1952
┣━4─┬
Edith Lilian Sarah Halliday 1891- & James Newman †
┃ └─1──
Phyllis Newman 1926 & Jack Bristow
┣━5━━
Arthur Algernon Halliday 1899-1924
┗━6━┳
Herbert Jack Halliday 1901-1956 &1926 Gertrude Elizabeth Lilley 1905-1934
┗━1──
Margaret Halliday 1926-1976 &1946 Gordon William Sainsbury ca 1920
Total: 9 descendentes (18 pessoas com cônjuges)