Edward Bourk was the son of Mrs. Lizzie Bourk, of 18 Hutchinson St., Sydenham, Christchurch. [https://www.bdmhistoricalrecords.dia.govt.nz
registration number 1892/13515 gives his parents as "Mary Ann" and "Charles". Archway gives his mother's name as "Mrs M. A. L. Bourk"]
Five sons, brothers served in WW1; two were killed. The eldest William Bourk (5182a) enlisted in England; the youngest, Albert Donald Bourk (6/1223), was killed in action at Gallipoli; Edward Magnus Bourk (4/601) killed in France, Leonard (59309) left with the Thirtieth Reinforcements and James Duncan Bourk (4/601) who also listed in the Second World War.
Served as James Duncan Bourk and listed on Nominal Roll as James Duncan Bourk, 4/601. Listed as Edward Magnus Bourk by CWGC. Listed at Archives New Zealand as BOURK, Edward Magnus - [a.k.a. BOURK, James]. Parents names listed on the birth register as Mary Ann and Charles Bourk by BDM AWMM