Forster was born into an Anglo-Irish and Welsh family at 6 Melcombe Place, Dorset Square, London NW1, in a building that no longer exists.
He was the only child of Alice Clara "Lily" (née Whichelo) and Edward Morgan Llewellyn Forster, an architect.
The Schlegel sisters of Howards End are based to some degree on Vanessa and Virginia Stephen. In 1906 he fell in love with Syed Ross Masood, a 17-year-old future Oxford student he tutored in Latin.
The Indian had more of a romantic, poetic view of friendship, confusing Forster with constant avowals of his love.
After leaving university, he travelled in continental Europe with his mother.
They moved to Weybridge, Surrey, where he wrote all six of his novels.
His name was officially registered as Henry Morgan Forster, but at his baptism he was accidentally named Edward Morgan Forster.
In 1883, Forster and his mother moved to Rooks Nest, near Stevenage, Hertfordshire.
This house served as a model for Howards End, as he had fond memories of his childhood there.
Among Forster's ancestors were members of the Clapham Sect, a social reform group within the Church of England.