Mark Watkin (マーク・ワトキン, Māku Watokin) is the champion of the rural boxing club. Jonathan is meant to fight him as a challenger, but Dio Brando volunteers to have a match against Jonathan instead of Mark. The referee and Mark accept, and Dio emerges victorious. He is omitted from the anime.
Graham Pendleton (グレアム・ペンドルトン, Gureamu Pendoruton)[a] is the father of Erina Pendleton. In 1881, he moves to India for his work and brings Erina with him. They move back to England seven years later, where he founds a hospital with his daughter working there as a nurse. The hospital he owns is the same one Jonathan Joestar stays in, allowing Jonathan and Erina to reunite since their childhood. He is not mentioned in the anime.
The information below derives from a source not written by Araki. As such, it may or may not be considered canon.
In JORGE JOESTAR, he is retired and the hospital is now run by other managers, but he and Erina own the controlling interest in its stock. Erina stays in contact with him during her whole time on the Canary Islands.
Darnley (ダーンリー, Dānrī) is the husband of Mary Stuart. He was found dead after an explosion, though the true cause of his death was unknown to history. His death was used as an excuse for Mary's execution, as Elizabeth blamed her for his death.
Dan Hamar (ダン・ハマー, Dan Hamā) is a resident of Windknight's Lot. He is a fisherman who reported to the police that his boat was stolen by a person of Asian descent. As of the morning of December 15th, his boat had not been found, though police were investigating whether the case had any relation to the missing people of Windknight's Lot. He is not mentioned in the anime.
Matthew Lindsay is a resident of Windknight's Lot. He is a 39 year old owner of a shop in the northern part of the town. He was the first person to become aware of the incident regarding the numerous missing people from the town. He typically goes to the weekend market early in the morning to source products, and during the morning after Jonathan's battle against Dio, he found the clothes of the priest he always greets on the way strewn on the street. Nearby, he saw some dust that looked like grains of sand swirling in the air. Feeling that something wasn't right, he went to the church, but the priest was nowhere to be seen, and the church door had been forcefully opened. Suspecting burglars, he called the police. He is not directly mentioned in the anime, but rather only described in the newspaper detailing the aftermath of the battle in Windknight's Lot.