Shanann Watts, 34, and her two children Bella, 3, and Celeste ìCeceî, 4, have been missing since Monday from Frederick, CO, according to Frederick Police Public Information Officer Sgt. Ian Albert. 
Police checked on the residence of Watts after a friend called and requested a welfare check for the 15-week pregnant mom.

At this time police are not releasing additional information about the incident, but believe the public is not at risk, Sgt. Albert said.  
Police are asking the public to call if they have any tips that could lead to the whereabouts of Watts.
Frederick Police Department
Shanann Watts, 34, and her two children Bella, 3, and Celeste ìCeceî, 4, have been missing since Monday from Frederick, CO, according to Frederick Police Public Information Officer Sgt. Ian Albert. Police checked on the residence of Watts after a friend called and requested a welfare check for the 15-week pregnant mom. At this time police are not releasing additional information about the incident, but believe the public is not at risk, Sgt. Albert said. Police are asking the public to call if they have any tips that could lead to the whereabouts of Watts.
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Christopher Watts is escorted into the courtroom before his bond hearing at the Weld County Courthouse on Thursday, Aug. 16, 2018, in Greeley, Colo. Watts, of Colorado, whose wife and daughters disappeared this week was arrested on suspicion of killing them. (Joshua Polson/The Greeley Tribune via AP, Pool)
Joshua Polsonhe Greeley Tribune/POOL/AP
Christopher Watts is escorted into the courtroom before his bond hearing at the Weld County Courthouse on Thursday, Aug. 16, 2018, in Greeley, Colo. Watts, of Colorado, whose wife and daughters disappeared this week was arrested on suspicion of killing them. (Joshua Polson/The Greeley Tribune via AP, Pool)
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(CNN) —  

Shanann Watts was looking forward to a party Saturday to disclose the gender of her third child, CNN affiliate KDVR said, quoting a friend.

But the Colorado woman and her two daughters, Bella, 4, and Celeste, 3, were found dead Wednesday. Her husband, Chris Watts, was taken into custody.

Now, the community is in shock and mourning the losses.

Shanann Watts’ friend, Ashley Bell, told KDVR the “gender reveal” party was going to be held at the Watts’ home in the town of Frederick, north of Denver.

“They were always so happy. They were always so – I’m completely lost for words,” Bell said.

Shanann Watts was 15 weeks pregnant. She posted a video of herself on social media announcing the pregnancy to her husband.

According to a Facebook post from her brother, Frankie Rzucek, she was pregnant with a boy. The baby was going to be named Niko, the post says. KDVR reported that only a few family members knew it was a boy.

A candelight vigil was scheduled for Friday night in the neighborhood where the family lived. A makeshift memorial with flowers and stuffed animals was growing outside the Watts’ house.

“Very surprised. Very shocked,” said Tim Sunderland of the homeowner association, who described the area as peaceful and quiet. “It’s a very good community.”

Chris Watts faces three counts of first-degree murder and three counts of tampering with a human body, police said. He is being held without bond, with his next court appearance scheduled for Tuesday.