| Regimental number | 10/2210 |
| Date of birth | |
| Place of birth | Carterton |
| School | Parkvale School and Wellington College |
| Religion | Church of England |
| Address | Masterton |
| Marital status | Single |
| Age at embarkation | 21.9 |
| Height | 5' 11.5" |
| Weight | 157 lbs |
| Next of kin | Father, Christian Lorenzen, Park Road, Carterton |
| Previous military service | Served in the Carterton Rifles; still serving at time of NZEF enlistment. |
| Enlistment date | |
| Place of enlistment | Trentham |
| Rank on embarkation | Private |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, 4th Reinforcements, Wellington Infantry Battalion |
| Embarkation details | Unit embarked from Wellington on |
| The 4th Reinforcements, Wellington Infantry Battalion, left New Zealand on board three ships (HMNZT 21 'Willochra', HMNZT 22 'Knight Templar', and HMNZT 23 'Waitomo'). It is not possible from the Nominal Roll to determine on which ship an individual embarked. | |
| Final rank | Private |
| Final unit | Wellington In fantry Battalion |
| Other details | Joined the Bank of New South Wales, Masterton branch, 23 August 1911. |
| Fate | Killed in Action |
| Age at death from cemetery records | 22 |
| Place of burial | No known grave |
| Commemoration details | Chunuk Bair (New Zealand) Memorial (Panel 21), Gallipoli, Turkey |
| Miscellaneous information from cemetery records | Parents: Christian and Marie Otanis Lorenzen, 6 Seddon Street, Carterton, Wairarapa |
| Other details |
War service: Egypt, Gallipoli Joined Bn at Gallipoli, 28 July 1915. Reported missing, August 1915. Board of Enquiry, Moascar Camp, Ismailia, 16 January 1916, concluded: 'Now believed to be dead'. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: Wellington Infantry Batln/Fourth |
| Sources | Archives New Zealand (Wellington), Agency AABK, Series 1880, File 10920552
'Bank of New South Wales Roll of Honour' (Sydney, 1921), p. 240. |