 The spring's water was said to have healed eye complaints and rheumatic illnesses.The spring itself water was said to have been on Reichenau Island in Lake Constance, where Pirmin founded his well-known monastery – and indeed where he got rid of all the venomous snakes.The saint, who died in Hornbach near Zweibrücken – his last place of work – was one of Southwest Germany's most important missionaries.