a.d. 200-265.] The great Origen had twin children in Gregory and Dionysius. Their lives ran in parallel lines, and are said to have ended on the same day; and nobly did they sustain the dignity and orthodoxy of the pre-eminent school which was soon to see its bright peculiar star in Athanasius. Dionysius is supposed to have been a native of Alexandria, of heathen parentage, and of a family possessed of wealth and honourable...