Robert Hugh Wilson was the youngest child of James and Margaret Wilson. He was born on 14th August 1887 in Bellaghy. He was one of ten children, seven surviving. The family lived in Bellaghy. His father was a grocer, druggist and a farmer. Robert emigrated to New Zealand. Prior to enlisting, Robert was a driver. He lived at St Georges Road, Hastings and worked for Hastings Borough Council. Robert enlisted in August 1915. Private Robert Hugh Wilson was serving with the 1st Battalion of the Otago Regiment when he was killed in action in France on 27th September 1916 in France.
Longueval is 13 kilometres east of Albert. Caterpillar Valley was the name given by the army to the long valley which rises eastwards, past Caterpillar Wood, to the high ground at Guillemont.