St. Casimir of Poland

Patron Saint of Poland and Lithuania

Casimir was the third of thirteen children born to King Casimir IV of Poland and Grand Duke of Lithuania, and Elizabeth of Habsburg, an Austrian princess, daughter of Emperor Albert II.

Casimir and two of his brothers studied under the historian Jonh Dlugosz, a man of great knowledge and piety. Under the holy man, the young prince, already devout from infancy, embarked upon the pursuit of sanctity.

Giving himself up to devotion and mortification, he often spent part of the night in intense prayer and meditation. Prince Casimir also had a great devotion to the Blessed Virgin Mary.

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