THE remains found on the Idaho property of the husband of "cult mom" Lori Vallow has confirmed to be her missing children, Joshua "JJ" Vallow and Tylee Ryan.
JJ was seven and Tylee was 17 in September.
The announcement was made by the Rexburg Police Department on Saturday.
"The investigation is still active and ongoing," cops said.
and husband are in custody and have already been charged in connection to the kids' disappearance.
Tylee was last seen near Yellowstone National Park with her mom and other relatives, and JJ was last seen by school officials several days later.
A search was launched after relatives raised concerns about the children.
Both Chad and Lori claimed the children were staying with friends, according to investigators.
JJ was to celebrate a birthday last month.
“Our feelings of extreme anguish and despondency were prevalent throughout the period approaching JJ’s 8th birthday,” grandparent Kay Woodcock wrote in a Facebook post.
“Our Rexburg family hosted a poignant vigil on Monday 5/25 in honor of our little man. ... We are comforted knowing their commitment is as strong as ours.”
The remains of the children were found earlier this week at Daybell's home in Salem, Idaho, and he was taken into custody.
He was arrested on suspicion of concealing or destroying evidence.
Lori Vallow was busted in Hawaii in February before she was extradited to .
She was charged with child abandonment and obstructing the investigation after failing to show proof of life for her children.
Loved ones have accused her of being part of a "doomsday cult" with her husband.
She's also been connected to the mysterious deaths of three people, including her brother.
Charles Vallow was the estranged husband of Lori Vallow when he was fatally shot by her brother last year in Phoenix.
Alex Cox claimed he shot Vallow in self-defense.
Charles Vallow had filed for divorce from Lori, claiming she believed she had become a god-like figure who was responsible for ushering in the biblical end times.
Cox, his alleged shooter, died in December of an apparent blood clot in his lung.
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A woman named Tammy Daybell was married to Chad Daybell - until she died in her sleep in October.
Her obituary said she passed away from natural causes, but authorities became suspicious when Chad Daybell married Lori just two weeks later.
Tammy Daybell's body was exhumed in December, but the results of the autopsy have not been released - and .