John I was the Abbot of Farfa from 871/2. He made a few property acquisitions, but his abbacy comes at the start of an obscure period in Farfa's history. He received a confirmation from the Emperor Louis II of all of Farfa's lands on 27 May 872 and another from Charles the Bald

Charles the Bald

Charles the Bald , Holy Roman Emperor and King of West Francia , was the youngest son of the Emperor Louis the Pious by his second wife Judith.-Struggle against his brothers:He was born on 13 June 823 in Frankfurt, when his elder...

in 875. Charles confirmed the abbey's freedom from taxation and secular jurisdiction and gave its abbots jurisdiction in suits involving subjects of the monastery's lands.