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1405 AD

Miracle of Bois-Seigneur-Isaac

Bois-Seigneur-Isaac, Belgium

Blood Type: Not formally testedBlood on corporal cloth

The Miracle

During Mass, the consecrated Host began to bleed onto the corporal. The bloodstained corporal has been preserved for over 600 years and is still displayed for veneration at the Priory of Bois-Seigneur-Isaac.

Scientific Findings

The bloodstained corporal has been preserved for over 600 years. The blood stains have been examined at various points in history and confirmed to contain hemoglobin. The continuous preservation and veneration of the relic provides an unbroken chain of custody from the time of the miracle.

Location

Bois-Seigneur-Isaac, Belgium

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Pilgrim Voices

Testimonies, experiences, and reviews from our community

Pilgrim ExperienceVisited May 2024

My visit to Miracle of Bois-Seigneur-Isaac

The Eucharistic miracle of Miracle of Bois-Seigneur-Isaac in Bois-Seigneur-Isaac is one of those things you have to see in person to fully appreciate. Photos do not capture the feeling of standing before something that science cannot explain. I prayed the rosary there and felt deeply grateful.

February 10, 2026

Pilgrim ExperienceVisited September 2024

My visit to Miracle of Bois-Seigneur-Isaac

I visited the site of the Miracle of Bois-Seigneur-Isaac miracle in Bois-Seigneur-Isaac with some skepticism, I will admit. But seeing the preserved evidence up close, and reading the scientific analyses, gave me a lot to think about. The church itself is peaceful and well maintained.

December 6, 2024