John Soreth was born at Caen in Normandy and entered Carmel as a young man. He took a doctorate of theology in Paris and served as regent of studies and provincial of the province. He was prior general from 1451 until his death at Angers in 1471. He restored observance within the Order and promoted its reform, wrote a famous commentary on the Rule, issued new Constitutions in 1462, and promoted the growth of the nuns and the Third Order.