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Her birth
Leonie was born September 16, 1844, in Sezanne, France. -
Becoming a sister
On October 11, 1871, she professed first vows in the new congregation she co-founded with Father Brisson called the Oblate Sisters of Saint Francis de Sales. -
Her missions
Sister Leonie Aviat opened missions in South Africa and Ecuador. -
Her death
She died on January 10, 1914, six years after the death of Father Brisson.