Yaldwyn served in the Second Boer War as a Private in the Queensland Imperial Bushmen (fourth contingent). He was promoted to Sergeant on 1st June 1900. As a Captain, he embarked for a second tour with the 7th Commonwealth Horse in 1902, however the war finished before the contingent landed.
Yaldwyn was commissioned on 20th March 1915 in the Australian Imperial Force. He embarked for the Middle East on 4th October 1915 aboard HMAT Mashobra A47. He was a junior officer, allocated to the 5th Australian Light Horse Regiment and awaiting its impending evacuation from the Gallipoli Peninsula. Yaldwyn received a general court martial at Abbassia on 2nd February 1916, charged with drunkenness on active service at 'Mex' Camp near Alexandria on 7th December 1915. Declared guilty, he was dismissed from the AIF on 4th February 1916 and commenced his homeward voyage on board the hospital transport Runic on 11th April. He was deemed to have forfeited all medal entitlements.
Yaldwyn died on 17th June 1916 in the Brisbane General Hospital, Herston, Queensland as a result of contracting pneumonia, and is buried in the Brisbane General Cemetery, Toowong, Queensland.
Have you taken a DNA test? If so, login to add it. If not, see our friends at Ancestry DNA.