Lifestyle Blogger Laura Merritt Walker Announces Son Callahan, 3, Died in a 'Tragic Accident': 'Brokenhearted'

The family says they are "completely shattered" at their toddler son's unexpected death

• Laura Merritt Walker is best known as one-half of the lifestyle blog Merritt & Style, which she runs with sister Cristie Merritt Taylor

• She and husband David Walker share sons Callahan, 3, Chamberlain, 7½, and Beckham, 10

• The couple announced on Instagram Monday that their 3-year-old has died after a "tragic accident"

Laura Merritt Walker and her family are mourning a terrible loss.

The lifestyle blogger — one half of Merritt & Style — and husband David Walker announced the death of their youngest son, 3-year-old Callahan, on Instagram on Monday.

The couple posted a photo of the two of them with Callahan from a family photo shoot, followed by a photo of them both holding his hand in his hospital bed and a video of Callahan reading a book at bedtime. In the caption, the two say they are "brokenhearted" at the loss of their toddler.

"We are completely broken-hearted to share that we lost our precious Callahan in a tragic accident last week," the caption on the joint post begins.

"He was such a blessing and brought so much joy to our whole family. Cal-Bear was absolutely adored by his big brothers and loved them beyond measure. As parents, we are completely shattered at the loss of our baby boy."

They concluded, "We take comfort knowing he is being held in the arms of Jesus. We would be honored to have your prayers for peace and strength over our family during this impossible time."

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Related: Influencer Christine Tran Ferguson Reveals Son Asher Has Died at 15 Months: 'So Heartbroken'

A sergeant from the Frisco Police Department in Texas was able to confirm to PEOPLE that FPD officers responded to a drowning call involving a child last week. Further details about the incident that led to Callahan's death remain unknown.

"I’ll be praying for you and your family, this absolutely breaks my heart because I know this heartache and I’m just so sorry 💔," Brittani Boren Leach, another influencer who has sadly experienced child loss, commented.

Bachelor Nation's Raven Gates also commented, writing, "I am beyond sorry, there are absolutely no words. I’m praying the Lord gives you peace and comfort beyond all understanding."

In the days since sharing the tragic news, David has posted recent photos of Callahan on his Instagram Story, but has not commented further. The couple are also parents to sons Chamberlain, 7½, and Beckham, 10.

Laura runs the lifestyle blog with sister Cristie Merritt Taylor, who shares daughters Mia, 12 months, and Merritt, 3½ with husband Mark Taylor. The family has not commented on the passing of their nephew at this time.

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