Primary

• Ryohei Higashikata Grandfather of Josuke Higashikata
• Ryohei Higashikata Father of Tomoko Higashikata

Extended

• Josuke Higashikata Son of Joseph Joestar
• Josuke Higashikata Uncle of Jotaro Kujo
• Josuke Higashikata Best friend of Okuyasu Nijimura
• Josuke Higashikata Son of Tomoko Higashikata
• Josuke Higashikata Grandson of Ryohei Higashikata
• Josuke Higashikata Friend of Koichi Hirose
• Josuke Higashikata Half-brother of Holy Kujo
• Josuke Higashikata Stand User of Crazy Diamond
• Josuke Higashikata Adoptive brother of Shizuka Joestar
• Tomoko Higashikata Mother of Josuke Higashikata
• Tomoko Higashikata Daughter of Ryohei Higashikata
• Tomoko Higashikata Lover of Joseph Joestar