Who was Thomas Aquinas?

From Internet:

Thomas Aquinas was born in 1225 to Count Lundulf of Aquino and his wife, Theodora, in their family castle in Roccasecca, near Naples, Italy, in the Kingdom of Sicily. Thomas was the youngest of eight siblings. His mother was Countess of Teano. Although both parents descended from noble lines, the family was regarded as strictly lower nobility.

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