Linda Hornsby (born April 30, 2001) is the identical twin sister of Grace and the eldest child of Alex and Victoria Hornsby.
- Father: Alex Hornsby (1965-)
- Mother: Victoria Hornsby (née: Ishida) (1961-)
- Brothers: Will Hornsby (2007-), Alex Hornsby, Jr. (2009-)
- Sister: Grace Hornsby (2001-)
- Aunts: Sally Ishida- ( -), Winifred Hornsby- ( -),
- Uncles: Zachary ( -), Takato ( -)
- Cousins: Henry Hornsby, Rika Hornsby, Suzy Ishida
- Grandmothers: Yvonne Hornsby ( -), Shizuka Ishida ( -)
- Grandfathers: Brian Hornsby ( -), Trevor Ishida ( -)
- Pets: Georgette (the poodle), Shadow (the hedgehog), Patches (the parakeet)
- Her full name is Linda Diane Hornsby
- Her favorite TV show is "The Fructose Adventures of Annoying Orange"