| Regimental number | 51445 |
| Occupation | Farm manager |
| Next of kin | Father, F W Ruddenklau, Staveley, Canterbury |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 27th Reinforcements (First Draft), Canterbury Infantry Regiment, C Company |
| Embarkation details | Unit embarked from Wellington on board HMNZT 87 Tahiti on |
| Sources | Nominal Roll Vol. 3: Roll 67, p. 19 |