Brook's grandma from brook gets grounded
Courtney Seanrick (born August 31, 1936, died January 14, 1999) is the daughter of Adrianna Seanrick (who is also the founder of the Seanrick family), the wife of Freddie Seanrick, the mother of Becky Seanrick, Jerry Dawson and Arnold Jopkins, and the grandmother of Brook Seanrick.

Not much is known about her since she is deceased, According to Becky's, Arnold's and Brook's memories, Courtney died before Jerry's death. It's known if she died before Jerry, because according to Becky's, Arnold's and Brook's memories, Jerry died after Courtney's death. as their memories indicates that Courtney died first, then Jerry.