Liz Monroe

Liz Monroe is the mother of Beth Monroe.

History
Liz came into the hospital with her daughter so she could participate in a clinical trial for her brain tumor. She was upset when she found out that her daughter's boyfriend was also in the trial. When the boyfriend, Jeremy West, died, Beth's parents wanted to take her home, but she insisted on having the surgery. ("Freedom, Part 1")

Beth's surgery was successful and she was the first trial patient to survive. ("Freedom, Part 2")

Romantic
She is married to Ken Monroe.

Familial
She is very protective of her daughter, Beth. She didn't want her daughter dating another tumor patient because she didn't want her getting attached to someone who could die.