Primary

• Dio Brando Son of Dario Brando
• Dio Brando Adopted son of George Joestar I
• Dio Brando Adoptive brother of Jonathan Joestar
• Dio Brando Father of Giorno Giovanna

Extended

• George Joestar I Father of Jonathan Joestar
• Dario Brando Father of Dio Brando
• Jonathan Joestar Father of Giorno Giovanna
• Jonathan Joestar Grandfather of Joseph Joestar (young)
• Jonathan Joestar Husband of Erina Pendleton
• Jonathan Joestar Father of George Joestar II
• Jonathan Joestar Owner of Danny
• Jonathan Joestar Grandfather of Jotaro Kujo
• Giorno Giovanna Son of Dio Brando
• Giorno Giovanna Son of Jonathan Joestar
• Giorno Giovanna Stand User of Gold Experience
• Giorno Giovanna Stand User of Gold Experience Requiem