Joan Vaughan allegedly "committed something either in spech, or gesture, so [u]nfitting, and [u]nseming the nature of woman-hood, that it displeased the most that were there present," deeply offending Mistress Belcher. Belcher struck Vaugan for the transgression, and forced her out of her company. Vaughan, enraged, replied "shee would remember this iniury, and re[v]enge it." Belcher was unimpressed, and ended the encounter by saying that Vaughan "neither seared her nor her mother: but bad her doe her worst." Vaughan is said to have reported this altercation to her mother, Agnes Brown, and they decided to take revenge on Belcher, after a wait of three or four days to avoid suspicion.(B2-B3)

MIstress Belcher is allegedly suddenly struck with an intolerable pain in her body, which has the side effect of horribly disfiguring her face. While in pain, Belcher is heard crying out, "Heere comes Ioane Uaughan, away with Ioane Uaughan."(B3)

Arthur Bill is accused of bewitching Martha Aspine to death, based on strong suspicions that he was also guilty of having previously bewitched numerous kinds of cattle, and the evil reputation he and his parents have earned.(C2)

Arthur Bill, Bill (Mother) and Bill (Father) are apprehended. The Justices and officers responsible for their capture allegedly decide to swim them to determine whether they are indeed witches. All three are bound thumb-to-toe and thrown into water; they are said to float. This is taken as confirmation of their guilt.(C2)

Arthur Bill and his parents, Bill (Mother) and Bill (Father) are imprisoned at Northampton Gaol for witchcraft after they are tested through swimming. Arthur is determined to be the principal witch. They are delivered to the gaol by Sir Gilbert Pickering.(C3)

Lewis Gaufredy of Marseilles is accused of introducing Mistress Magdalen of the Marish to the Devil, causing her to have marks on her body.(8)

Lewis Gaufredy of Marseilles is apprehended and put in prison after Magdalen of the Marish confesses to Gaufredy's involvement with the Devil.(8)

Lewis Gaufredy of Marseilles confesses to how he married Magdalen of the Marish to the Prince of Devils, called Beelzebub, who took the form of a gentleman.(12-13)

Lewis Gaufredy of Marseilles confesses to baptizing children into the Devil's service by using salt and sulfur in the water.(16)

Arthur Bill and his mother allegedly conspire to bewitch a round ball into Bill (Father)'s throat to prevent him from relenting and making a confession. The ball remains lodged in Bill (Father)'s throat for some time, during which he was unable to speak a word. However, it eventually worked its way out, and Bill (Father) became the principal witness against Arthur.(C3)

Master Avery, hearing of Mistress Belcher's affliction, comes to see his sister and is moved by her woeful condition. While at her bedside, he allegedly hears her "cry out against Ioane Vaughan alias Varnham, and her mother," and becomes convinced that Belcher has been afflicted by witchcraft when a neighbour reports the altercation between Vaughan and Belcher. (B3-B4)

Master Avery allegedly decides that the only way to help his sister, Mistress Belcher, is to draw blood from Agnes Brown and Joan Vaughan. He attempts to approach their home to lure them out, but is forcibly prevented from getting close by an invisible barrier. Though he tries two or three more times, he is always halted at the same spot.(B3-B4)

Master Avery, defeated by his inability to help Mistress Belcher, returns to his own home, only to realize that he, too, has earned the enmity of Agnes Brown and Joan Vaughan. Confident that he cannot reach them, they allegedly cause him to suffer the same torments and fits as his sister. (B4)

Agnes Brown and Joan Vaughan are apprehended by Sir William Saunders and brought to Northampton Gaol.(B4)

Master Avery and Mistress Belcher are brought, delirious with their afflictions, to Northampton Gaol to scratch Agnes Brown and Joan Vaughan. Drawing blood from Brown and Vaughan allegedly delivers them from pain, but their fits resume with greater violence as soon as they are out Brown and Vaughan's sight.(B4)

Master Avery and Mistress Belcher, riding home to Guilesborough in a coach after visiting Northampton Gaol, allegedly encounter a man (Anonymous 125) and a woman (Anonymous 126) riding double on a black horse. Avery sees Anonymous 125 and Anonymous 126 gesturing strangely, and is moved to cry out "That either they or their Horses should presently miscarcy." This proves prophetic, for moments later the horses drawing the carriage fell down dead. Avery rose up praising the grace and mercy of God for delivering them and not suffering foul spirits to work their mischief on men.(B4-B5)

Master Avery's fits allegedly continue until he is standing next to the judges and Joan Vaughan was brought to him in the Northampton Castle yard. He is said to have been in the middle of a fit at the time.(B4)

Agnes Brown and Joan Vaughan are arraigned and indicted on charges of bewitching Master Avery and Mistress Belcher, and for bewitching a child to death. They both plead innocent, but are found guilty and sentenced to death. Brown and Vaughan are returned to Northampton Gaol to await their executions.(B5)

It is alleged that, a fortnight before Agnes Brown's apprehension, she was seen riding a sow with Katherine Gardiner and Joan Lucas at night to visit an old witch named Mother Rhoades. However, Mother Rhoades is said to have died while the three were en route, and cried out with her last breath that "shee would mete with them in another place within a month after."(B5)

Bill (Mother) allegedly faints often and complains pitifully that the law is stronger than her art; she becomes convinced that she would be hanged like her son Arthur Bill. After three or four days of horror at the possibility, in which she rails against her damnation, birth and conception, she cuts her own throat to save the hangman the work.(C3)

Arthur Bill, still imprisoned in Northampton Gaol, continues to insist on his innocence event after hearing of his mother's suicide and father's witnessing against him, and despite allegedly unwittingly confessing to having three familiars, named Grissell, Ball and Jacke, at his command.(C3-C4)

Arthur Bill is arraigned on several charges of witchcraft, but most particularly for bewitching Martha Aspine to death. He is found guilty.(C6)

Elizabeth Southerns alleges that just before the previous Christmas, her daughter Elizabeth Device helped out Richard Baldwyn's family at their mill, and Device sent Southerns to call on Baldwyn to ask for some kind of repayment. As Southerns was blind in her advanced age, her granddaughter Alison led her to the mill; on the way, they met with Baldwyn. Baldwyn threw them off the property, saying "get out of my ground Whores and Witches, I will burne the one of you, and hang the other." Southerns met with her spirit Tibb on the way back home, and bid him "Reuenge thee eyther of him, or his."(B3-B3v)

James Device alleges during his examination that, about a year before, he heard his grandmother Elizabeth Southerns say that his mother Elizabeth Device had bewitched Henry Mytton to death with the help of some others. Mytton was killed because Southerns had asked him for a penny and he denied her. She arranged for his death in revenge.(G2)