The elder brother of Pope Leo XIV, Louis Prevost, who lives in Florida, is facing a new stage of his battle against cancer. According to his wife, Deborah Prevost, on March 23, Louis was diagnosed with multiple myeloma in 2017 and, after several treatments, including stem cell therapies, managed to keep the disease under control for years. However, three months ago it was confirmed that he had a relapse, and he is currently participating in a clinical trial at a hospital in the region.
Relapse and Search for New Therapies
The news of Louis’ relapse occurred on the same day that the Vatican announced that Pope Leo XIV, 71 years old, had been diagnosed with lung adenocarcinoma. The surgical intervention to remove a nodular lesion from the right lung of the pontiff was successful, although the stage of the disease or the treatments he will follow are unknown.
The Family Faces Double Challenge
Deborah Prevost explained that the two brothers spoke last week, before Louis began his clinical trial. The couple emphasized that the family is going through a very complicated situation and expressed the hope that the pope’s cancer has been detected at an early stage. “We continue to pray and maintain the morale for both,” she commented.
A Story of Faith and Resilience
Louis, who always spoke with affection of his younger brother, recalled in an interview with CBS News in May 2025 that, since childhood, the family knew that Robert Prevost had a special vocation. While he played baseball and other children’s games, the future pope preferred to play at being a priest. Today, in addition to his responsibilities at the head of the Catholic Church, Pope Leo XIV faces, along with his family, a harsh reality: two brothers fighting cancer at the same time.
Credits: n.com.do
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