TEWIN, a parish in the hundred of HERTFORD, and county of HERTFORD, 3 miles (E. S. E.) from Welwyn, containing 477 inhabitants. The living is a rectory, in the archdeaconry of Huntingdon, and diocese of Lincoln, rated m the king's books at £ 14, and in the patronage of the Master and Fellows of Jesus' College, Cambridge. The church, dedicated to St. Peter, has a square embattled tower, with a low spire. The Rev. Henry Yarborougn, in 1783, bequeathed the rents and profits of four tenements, to be applied for teaching ten children, and increasing the parish clerk's income; and Lady Cathcart, in the same year, gave an annuity of £ 5 in further support of the school. There are sundry other bequests for the relief of the poor, and apprenticing children.