Charles Wesley, M.A. was the great hymn-writer of the Wesley family, perhaps, taking quantity and quality into consideration, the great hymn-writer of all ages. Charles Wesley was the youngest son and 18th child of Samuel and Susanna Wesley, and was born at Epworth Rectory, Dec. 18, 1707. In 1716 he went to Westminster School, being provided with a home and board by his elder brother Samuel, then usher at the school, until 1721, when he was elected King's Scholar, and as such received his board and education free. In 1726 Charles Wesley was elected to a Westminster studentship at Christ Church, Oxford, where he took his degree in 1729, and became a college tutor. In the early part of the same year his religious impressions were much deepene… Go to person page >
But can it be that I should prove. C. Wesley. [In Temptation] Published in the Wesley Hymns and Sacred Poems, 1749, No. 112, in 6 stanzas of 6 lines (Poetical Works, iv., p. 479). It was well known in the old Wesleyan Hymn Book, but is omitted from the Methodist Hymn Book, 1904, except stanzas iv.-vi., which are embodied in "Light of the world, Thy beams I bless” q.v.
--John Julian, Dictionary of Hymnology, New Supplement (1907)