- Father: John COUSINS
- Mother: Elizabeth DEAN
- Birth: 27 OCT 1855, Toodyay, Western Australia
- Death: 21 APR 1929, Culham, Toodyay, Western Australia
- Partnership with: Hanna FERGUSON
Marriage: 21 MAY 1880, Culham, Toodyay, Western Australia
- Child: Flora COUSINS Birth: 25 APR 1881, Toodyay, Western Australia
- Child: Elizabeth May COUSINS Birth: 1883
- Child: Rose Bertha COUSINS Birth: 1884, Toodyay, Western Australia
- Child: Herbert James Dean COUSINS Birth: 1886, Toodyay, Western Australia
- Child: William Robert COUSINS Birth: 15 NOV 1889, Beejording, Toodyay, Western Australia
- Child: Ivy Elizabeth COUSINS Birth: 1891, Toodyay, Western Australia
- Child: Reuben John COUSINS Birth: 1893, Toodyay, Western Australia
- Child: Vernel Douglas COUSINS Birth: 1895, Toodyay, Western Australia
- Child: Alexander Hubert COUSINS Birth: 1899, Toodyay, Western Australia
Ancestors of William John COUSINS
/-William COUSINS
/-John COUSINS
| \-Frances PIKE
William John COUSINS
\-Elizabeth DEAN
Descendants of William John COUSINS
1 William John COUSINS
=Hanna FERGUSON Marriage: 21 MAY 1880, Culham, Toodyay, Western Australia
2 Flora COUSINS
2 Elizabeth May COUSINS
2 Rose Bertha COUSINS
=John Thomas WATERS
3 Lewis J WATERS
3 Dallas Vernon WATERS
3 Lily WATERS
=John MCDONALD
2 Herbert James Dean COUSINS
2 William Robert COUSINS
2 Ivy Elizabeth COUSINS
=Edwin David KENWORTHY Marriage: 1910, Northam, Western Australia
3 Albert William KENWORTHY
2 Reuben John COUSINS
2 Vernel Douglas COUSINS
2 Alexander Hubert COUSINS