John's home address at the time of his death is given as Sheffield. His parents are listed as living in Malta.
HMS Royal Oakwas one of five Revenge-class battleships built for the Royal Navy during the First World War. Launched in 1914 and completed in 1916, Royal Oakfirst saw combat at the Battle of Jutland as part of the Grand Fleet.
The family moved to St David's vicarage in Llanfaes when David was vicar of St David's in about 1900 There for 15 years before moving to Cantref in late 1915. Henry was educated at Christ College, Brecon before becoming a motor car engineer with Messrs Rich of Brecon. His two older sisters became teachers.
Henry joined the Brecknocks as a Private in September 1914 and went to Aden and then India. In India he was given a commission in the Indian Reserve of Officers in June 1916, and was attached to the 19th Punjabis.
Henry was born in Llanfrynach, Breconshire in 1895, the third of four children of the Reverend David Saunders-Jones and his wife Mary. All four children were born whilst in Llanfrynach. David had first served for about three years in the parish of St John in Brecon before taking on the parish in Llanfrynach in about 1889.