Vili Fualaau’s daughter Georgia says her dad and older sister Audrey have been “extremely supportive” throughout her pregnancy.

“They have been with me at almost every appointment, and they have just been my rocks,” the 24-year-old—one of Fualaau’s two daughters with late convicted child rapistMary Kay Letourneau—tells PEOPLE.

Georgia admits that the pregnancy announcement was “hard at first” for Fualaau but that “he’s been really amazing.”

Heidi Gutman/ABC/Getty

ABC News & Barbara Walters 20/20 Exclusive: Mark Kay Letourneau Fualaau and Vili Fualaau on Their 10th Anniversary

However, his support isn’t a surprise to Georgia, who says her dad is the “number one man” in her life. “I just know that he’s going to be the greatest grandfather ever,” she adds.

Mary Kay Letourneau and Vili Fualaau.Heidi Gutman/ABC/Getty

ABC News & Barbara Walters 20/20 Exclusive: Mark Kay Letourneau Fualaau and Vili Fualaau on Their 10th Anniversary

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Eventually, Georgia says she plans to tell her son “everything” about her family’s past.

“I want to be the one to explain to him who his grandparents are,” she tells PEOPLE.

Mary Kay Letourneau listens to testimony during a court hearing in Seattle Letourneau, who married her former sixth-grade student after she was convicted for raping him Feb. 6, 1998.Alan Berner/The Seattle Times via AP, Pool, File

Mary Kay Letourneau listens to testimony during a court hearing in Seattle Letourneau, who married her former sixth-grade student after she was convicted for raping him Feb. 6, 1998

Alan Berner/The Seattle Times via AP, Pool, File

Letourneau was sentenced to more than seven years in prison for child rape after she began sexually abusing Fualaau, a sixth-grade student, in 1996. Despite court orders to keep them apart, she twice became pregnant with Fualaau’s children before he was 15.

They married in 2005 but split in 2017 after Fualaaufiled for legal separation. However, as the split proceeded, theystill lived togetherand wereoccasionally spotted outin the Seattle area.

If you or someone you know has been a victim of sexual abuse, text “STRENGTH” to the Crisis Text Line at 741-741 to be connected to a certified crisis counselor.

source: people.com