Sophia Cap (born February 1, 2025 in Athens, Greece) is one of the adoptive daughters of Matthew and Marci Cap.
- Father: Matthew Cap
- Mother: Marci Cap
- Brothers: Cyrano Cap, Bazil Cap, Alexander Cap, Colin Cap, Denny Cap, Lysander Cap, Linus Cap, Maurice Cap, Mariano Cap
- Sisters: Delia Cap, Kaylee Cap, Nicole Cap, Lily Cap, Olivia Cap, Kalonice Cap, Kassandra Cap, Sirena Cap, Lyris Cap, Madge Cap
- Her full name is Sophia Athena Cap
- She and the rest of her vigintuplet siblings are interested in Greek mythology