Ernek Valdemar Janssen (SN 359) whose father was Danish, was born in Ballarat and educated at Magpie and Cambrian Hill State Schools. He enlisted in Melbourne on August 15th, 1914. The 23-year-old, unmarried storeman, along with his brother Carl, joined the 5th Infantry Battalion and together they took part in the first landing at Gallipoli. Carl was killed in action the following day, and Ernek was killed two weeks later during the attack on Krithia at Cape Helles on May 8th, 1915. He was to be recommended for bravery by an officer of the 7th Battalion for assisting the wounded. His body was never recovered and his name appears on the Helles Memorial.

His brother Carl is also honoured with a tree in the Avenue and remembered on the Lone Pine Memorial.

Lucas’s Staffs Appreciation of Brave Men, the original Avenue register, records his name as Inuk Jansen.