"Josuke Higashikata, born in 1983, takes his mother's surname. His mother's name is Tomoko Higashikata, who was 21 years old at the time and studying at university in Tokyo."
"From birth until 1987—that is, when he was four years old—he suffered from a high fever of unknown origin and hovered near death for nearly fifty days."
"His father's name is..."
Chapter 169