A Soul's Tragedy was written in 1843 or 1844, and revised immediately before publication. See Letters of R.B. and E.B.B., i. 474.
Letters of D.G. Rossetti to William Allingham, p. 168.
The above statement is substantially that of Browning; but on certain points his memory misled him. Whoever is interested in the matter should consult Professor Lounsbury's valuable article "A Philistine View of a Browning Play" in The Atlantic Monthly, December 1899, where questions are raised and some corrections are ingeniously made.
An uncle seems to have accompanied him. See Letters of R.B. and E.B.B., i. 57: and (for Shelley's Grave) i. 292; for "Sordello" at Naples, i., 349.
In later years no friendship existed between the two. We read in Mr. W.M. Rossetti's Diary for 1869, "4th July.... I see Browning dislikes Trelawny quite as much as Trelawny dislikes him (which is not a little.)" Rossetti Papers, p. 401.