He was born in Poland. He entered the Society of Jesus when he was eighteen years old. He died within ten months, famous for his angelic innocence and sanctity. He died on the feast of the Assumption of Our Lady, as he had predicted. His great friends in the Society of Jesus were Saint Peter Canisius, who sent him to Rome, and Saint Francis Borgia, who received him into the Order of Saint Ignatius. The Blessed Eucharist was the center of his life. Every morning he heard two Masses. Before his entrance into the Society of Jesus, twice the angels brought him Holy Communion, when he was being persecuted by his own family. Our Lady appeared to him and placed the Infant Jesus in his arms. It was Our Lady who told him to become a member of the Society of Jesus.
See also: Saint Stanislaus of Cracow (1079)