Primary

• Fumiko Kobayashi Mother of Tamako Kobayashi
• Fumiko Kobayashi Mother of Sanpeita Kobayashi

Extended

• Sanpeita Kobayashi Older Brother of Tamako Kobayashi
• Sanpeita Kobayashi son of Fumiko Kobayashi
• Tamako Kobayashi Daughter of Fumiko Kobayashi
• Tamako Kobayashi Younger Sister of Sanpeita Kobayashi