Saint Catherine of Siena (March 25, 1347 - April 29, 1380) was a Dominican Tertiary (lay affiliate) of the Dominican Order. Catherine was the 23rd child out of 25 (her twin sister, the 24th, died at birth); her parents were Giacomo di Benincasa, a cloth-dyer, and his wife, Lapa Piagenti, daughter of a local poet. A native of Siena, Catherine received no formal education. Wikipedia
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