Context
Illfurth lies two hours' walk south of Mulhouse, in the Haut-Rhin. In the 1860s it held about 1,200 people. Their father, also named Joseph Burner, travelled selling matches and tinder. His wife was Marie Anna Foltzer. Among their five children were Theobald, born 21 August 1855, and Joseph, born 29 April 1857. Quiet boys. Somewhat frail. Late in 1864 both fell ill. Dr Lévy of Altkirch told the parish priest that medicine was powerless.