| Sources |
- [S500011] Geni World Family Tree, (MyHeritage) (Reliability: 4).
William John Unknown<br>Gender: Male<br>Father: <a>John Henry Croker</a><br>Mother: <a>Martha Croker (born Thompson)</a><br>Siblings: <a>Samuel Burns Croker</a>, <a>Catherine Euphemia (born Croker)</a>, <a>John Henry Unknown</a>, <a>James How Croker</a>, <a>John Vaughan Thompson Croker</a>, <a>Martha Jane Raymond (born Croker)</a>, <a>Patrick Warner Unknown</a>, <a>Ealenor Emillie Hutchinson (born Croker)</a>
|