To Helen by Edgar Allan Poe?

Poe wrote a poem titled 'To Helen,' but the reader is left to speculate who 'Helen' might be. Sarah Helen Power Whitman was a poet, essayist, transcendentalist, and Spiritualist, and she is likely the 'Helen' in the poem. The two were engaged to be married in 1848, but it is alleged that Poe's drinking habit caused an end to the engagement.