Tori and Trina's Grandmother(s)

Tori and Trina's Grandmother is the grandmother of Tori and Trina Vega. She is mentioned in Jade Dumps Beck, where Jade sobs into a pillow that the grandmother knitted. It is known that she is deceased, mentioned when Tori said "Grandma can always knit me another pillow, if she ever comes back to life."