Eufranio Desideri was the third of eight children born to John Desideri, a wool merchant, and Serafina Paolini. His parents died when the boy was 12 years old, and he was raised and educated by his uncle Battista Desideri, a teacher in Viterbo, Italy. Desideri arranged a marriage for Eufranio with a local noble family, but the young man felt a call to religious life. Worry over his vocation...