Doreen Gladys Cavanagh 
| +---Thomas Jackson (08 JUL 1828-18 AUG 1907)
| +---Stephen Jackson (26 JUN 1869-11 JUL 1942)
| | | +---William Judd (1802-15 JUL 1876)
| | +---Harriett Judd (06 JAN 1841-17 MAR 1918)
| | +---Ann Sayers or Sears (1810-23 APR 1870)
+---Gwenifred Jane Jackson (17 FEB 1902-)
| +---Thomas Heard
| +---Thomas Heard (-26 JUN 1899)
+---Ethel Beatrice Heard (18 MAY 1880-28 JUL 1969)
| +---Samuel Hind
+---Charlotte Hind (15 MAR 1852-NOV 1902)
+---Maria Morgan