Question: Who was married to the author of The Night of Enitharmon's Joy?

full_context: Document 1: Catherine Blake: Catherine Blake (née Boucher; 25 April 1762 – 18 October 1831) was the wife of the poet, painter and engraver William Blake, and a vital presence and assistant throughout his life.
Document 2: Endymion (poem): Endymion is a poem by John Keats first published in 1818. It begins with the line ``A thing of beauty is a joy for ever ''. Endymion is written in rhyming couplets in iambic pentameter (also known as heroic couplets). Keats based the poem on the Greek myth of Endymion, the shepherd beloved by the moon goddess Selene. The poem elaborates on the original story and renames Selene`` Cynthia'' (an alternative name for Artemis).
Document 3: Catherine Bramwell-Booth: Commissioner Catherine Bramwell-Booth CBE, OF, born Catherine Booth Booth (20 July 1883 – 3 October 1987), Salvation Army officer, was one of seven children born to General Bramwell Booth and Florence Eleanor Soper, and was the granddaughter of the Salvation Army's Founder, General William Booth and his wife Catherine Mumford, known as the 'Mother of the Salvation Army'. In her later years Bramwell-Booth became well-known through her books and various radio and television appearances. Bramwell-Booth lived to be 104.
Document 4: Mr and Mrs Clark and Percy: Mr and Mrs Clark and Percy is a painting by the British artist David Hockney. Painted between 1970 and 1971, it depicts the fashion designer Ossie Clark and the textile designer Celia Birtwell in their flat, shortly after their wedding, with one of the couple's cats on Clark's knee. The white cat depicted in the painting was Blanche; Percy was another of their cats, but Hockney thought "Percy" made a better title.
Document 5: Catherine Norton Sinclair: Catherine Norton Sinclair (1817–1891) was an actress-manager who worked with such notable actors as Junius Brutus Booth, Edwin Booth, and Laura Keene. Her sensational divorce from Edwin Forrest captivated the American public in the mid-1800s.
Document 6: The Cave of the Storm Nymphs: The Cave of the Storm Nymphs is a painting by British artist Edward Poynter, depicting three nude sirens or nymphs from Greek mythology that lure sailors to their deaths. Poynter painted two versions, one in 1902 and the other in 1903, with minor differences. The former is housed in the Norfolk's Hermitage Museum, and the latter is in the private collection of Sir Andrew Lloyd Webber. One of the depicted sirens is playing a golden stringed, tortoise-shell lyre, while the other two sirens rejoice amid the foundering ship, expecting to add to the cave’s treasure.
Document 7: The Night of Enitharmon's Joy: The Night of Enitharmon's Joy, often referred as The Triple Hecate or simply Hecate, is a 1795 work of art by the English artist and poet William Blake which depicts Enitharmon, a female character in his mythology, or Hecate, a chthonic Greco-Roman goddess of magic and the underworld. The work presents a nightmarish scene with fantastic creatures.
Document 8: Charlotte Blake: Blake was the oldest of six children born to Edward and Caroline Blake of Ohio. At age 18, she got a job as a writer and arranger for Jerome H. Remick. Her first published composition, "King Cupid" appeared in 1903. After retiring from the music business, she worked as a clerk at Douglas Aircraft Company for two decades.
Document 9: My Wife's Lovers: My Wife's Lovers is a canvas painting by Austrian artist Carl Kahler (1855–1906) depicting forty-two of American millionaire Kate Birdsall Johnson's Turkish Angora cats. The title of the painting was potentially conceived by her husband, who had died in 1889 and may have referred to the cats with the phrase. Measuring 6 ft×8.5 ft, the canvas weighs .
Document 10: Endymion (poem): Endymion is a poem by John Keats first published in 1818. It begins with the line ``A thing of beauty is a joy for ever ''. Endymion is written in rhyming couplets in iambic pentameter (also known as heroic couplets). Keats based the poem on the Greek myth of Endymion, the shepherd beloved of the moon goddess Selene. The poem elaborates on the original story and renames Selene`` Cynthia'' (an alternative name for Artemis).
Document 11: Claire Clairmont: Clara Mary Jane Clairmont (27 April 1798 – 19 March 1879), or Claire Clairmont as she was commonly known, was the stepsister of writer Mary Shelley and the mother of Lord Byron's daughter Allegra. She is thought to be the subject of a poem by Percy Bysshe Shelley.
Document 12: Religion in ancient Rome: Lucan depicts Sextus Pompeius, the doomed son of Pompey the Great, as convinced "the gods of heaven knew too little" and awaiting the Battle of Pharsalus by consulting with the Thessalian witch Erichtho, who practices necromancy and inhabits deserted graves, feeding on rotting corpses. Erichtho, it is said, can arrest "the rotation of the heavens and the flow of rivers" and make "austere old men blaze with illicit passions". She and her clients are portrayed as undermining the natural order of gods, mankind and destiny. A female foreigner from Thessaly, notorious for witchcraft, Erichtho is the stereotypical witch of Latin literature, along with Horace's Canidia.
Document 13: Catherine Linton: Catherine Linton (also known as "Young Catherine" or Cathy Linton and later as Catherine Heathcliff then as Catherine Earnshaw) is a character in Emily Brontë's novel "Wuthering Heights". She is the daughter of Edgar Linton and Cathy Earnshaw, and, despite Heathcliff's attempts at exacting revenge on her for the indiscretions of her family, she eventually marries her true love, Hareton Earnshaw, re-establishing long-lost equilibrium in the story.
Document 14: The Nightmare: The Nightmare is a 1781 oil painting by Anglo-Swiss artist Henry Fuseli. It shows a woman in deep sleep with her arms thrown below her, and with a demonic and apelike incubus crouched on her chest.
Document 15: Lady Lilith: Lady Lilith is an oil painting by Dante Gabriel Rossetti first painted in 1866–68 using his mistress Fanny Cornforth as the model, then altered in 1872–73 to show the face of Alexa Wilding. The subject is Lilith, who was, according to ancient Judaic myth, "the first wife of Adam" and is associated with the seduction of men and the murder of children. She is shown as a "powerful and evil temptress" and as "an iconic, Amazon-like female with long, flowing hair."
ground_truth: Catherine Blake
sub_queries: Who developed The Night of Enitharmon's Joy? Answer: William Blake
William Blake >> spouse Answer: Catherine Blake