Family: James Peter Crock / Martha Helen Retallack (F74334)
m. 10 Apr 1928George Crock (1873-1910) 
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Eva Catharina Smithberger (1875-1934)
|
Urban Henry Crock (1897-1928)  |
| Clara Elizabeth Crock (1901- ) |
| Roy Anthony Crock (1903- ) |
| Joseph Edward Crock (1905- ) |
| George Leo Crock (1908-1968) |
| James Peter Crock (1899-1954)
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| Martha Helen Retallack (1903- ) |
