| "'Ooh, ah,' that's how it always starts. But then later there's running and screaming."
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She died untimely in a car crash along with her husband before the events of Jurassic World: Fallen Kingdom, causing Benjamin much distress. While Benjamin wanted to bring his daughter back through cloning, Hammond was opposed by the idea. This caused a break in the relationship between the two partners that was seemingly never rekindled. After the death of John Hammond, Lockwood went ahead and cloned his once daughter, resulting in Maisie Lockwood. Lockwood then kept Maisie's past secret to most visitors to the mansion by stating Maisie is his granddaughter, the daughter of his own daughter and her husband.
While she never makes an appearance in the film, she appears in pictures in Lockwood's scrapbook, and mentioned by Eli Mills when he discovers Maisie by the side of Owen Grady and Claire Dearing. As Maisie ask Benjamin that her mother ever visited Jurassic Park and as he response that she did.