Rob Reiner's Other Kids Are Enduring 'Unimaginable Pain' Following Double Homicide

After days of silence and private mourning, Rob Reiner's children have finally shared their thoughts on the tragic loss of their parents.

The beloved film director and producer took his final breath on Sunday, December 14, alongside his longtime partner, Michele Singer Reiner. They were found dead in their Brentwood home with stab wounds, sparking a double homicide investigation.

The shocking twist saw one of their three children, Nick Reiner, getting arrested on suspicion of murdering his famous parents. Rob Reiner's other children have finally addressed the horrific situation, imploring the public for empathy amidst their grief.

Rob and Michele's other two children, son Jake and daughter Romy, addressed the deaths of their parents in a poignant statement. "Words cannot even begin to describe the unimaginable pain we are experiencing every moment of the day," their heartbroken message began.

"The horrific and devastating loss of our parents, Rob and Michele Reiner, is something that no one should ever experience," the siblings continued. They stressed that Rob and Michele were more than their parents but their best friends, which made their deaths all the more painful.

Although they were grateful for the outpouring of love and support from family, friends, and fans, Jake and Romy noted that it was time to respect their privacy.

The siblings, per TMZ, implored the public to temper their speculation with compassion and humanity while honoring the memories of Rob and Michele.

Jake and Romy's statement comes at the heels of their brother's first court appearance since he was arrested on suspicion of murdering their parents. Nick appeared in a Los Angeles courtroom on Wednesday, December 17, wearing a suicide-prevention smock.

Sources reported that he was seated behind a glass in the courtroom and spoke only once to confirm he did not need a speedy arraignment. Nick's attorney, Alan Jackson, told the court it was "too early" for his client to enter a plea and announced their decision to push his arraignment to January 7.

According to Jackson, he and prosecutors had agreed on the arraignment date. Nick was initially set to appear in court on December 16; however, the hearing was postponed because he did not have medical clearance. The delay did not stop prosecutors from hitting him with murder charges.

Los Angeles County District Attorney Nathan J. Hochman announced on December 16 that Nick had been hit with two counts of first-degree murder. He also received special circumstance allegations of multiple murders and a special allegation that he personally used a dangerous and deadly weapon, a knife.

Hochman claimed that if Nick were convicted of these charges, the death penalty would be considered. After the December 17 hearing, the alleged killer's lawyer, Jackson, stressed that there were "very complex and serious issues associated with this case."

Jackson stated that these issues needed to be thoroughly examined and reviewed before labeling the case a "devastating tragedy" for the Reiner family.

More details about the crime have since emerged, including claims of hotel staff finding a shower "full of blood" and blood on the bed after Nick checked in around 4 AM Sunday.

Nick wasn't the only one making first-time appearances since the tragedy, as Rob's loved ones were spotted together for the first time at his brother's house. The Blast shared that Lucas Reiner recently opened the doors of his Los Angeles home to family members.

The paparazzi caught Lucas welcoming fellow mourners, including his daughter Rose, who carried supplies, boxes, and a floral bouquet. A woman believed to be his wife, Maud Winchester, was also seen bringing in supplies from her car into the home.

Another male guest, who arrived with several bottles and a box, was seen greeting Lucas upon arrival. The gathering followed news of Rob and Michele's deaths, with sources revealing their daughter Romy had found them dead in their bed hours after a holiday party on December 13.

Besides the guests at Conan O'Brien's holiday party, which Rob and Michele attended with Nick before their demise, Barry Markowitz was one of the last people to see them alive. The Blast reported that the cinematographer and longtime collaborator of Rob's reflected on their final moments together.

Markowitz revealed Rob had invited him to his Brentwood home while he was in town for the premiere of his latest film, "The Perfect Gamble," on November 14. He recalled having a blast with his pal, Michele, Romy, and Nick, without any signs of the looming tragedy.

From having family dinners to watching TV and playing games together, Markowitz noted that the Reiners were the definition of a picture-perfect family. He added that Nick showed no signs of violence or a declining mental state, claiming his behavior was normal.