List of sibling members

The list contains 48Group members who have older/younger/twin sisters who also was or ever be 48Group member.

Notes: (older sister)-(younger sister)

AKB48 members

• Muto Tomu - Muto Orin

NMB48 members

• Jonishi Kei (former) - Jonishi Rei
• Yamada Nana (former) - Yamada Suzu
• Nakano Reina - Nakano Mirai

SDN48 members

• Akiko - Natsuko (twin sisters) (both former)

JKT48 members

• Melody Nurramdhani Laksani - Frieska Anastasia Laksani
• Stella Cornelia (former) - Sonia Natalia
• Shinta Naomi - Sinka Juliani
• Hasyakyla Utami Kusumawardhani - Adhisty Zara

TPE48 members

• Chen Shih-ya - Chen Shih-yuan (twin sisters)

MNL48 members

• Abelaine Trinidad - Abea Trinidad (former candidate)
• Princess Rius Briquillo - Kaede Ishiyama (step-sisters)
• Shaira Duran - Shaina Duran (twin sisters)

SHY48 members

• Liu Jiao - Liu Na (twin sisters)

Different Group members

• Nomura Nao (AKB48) (former) - Nomura Miyo (SKE48)
• Takada Ayana (AKB48) - Takada Shiori (SKE48) (both former)
• Yahagi Yukina (SKE48) - Yahagi Moeka (AKB48)
• Ota Riona (NMB48) (former) - Ota Ayaka (SKE48)
• Yabushita Shu (NMB48) (former) - Yabushita Fu (STU48)