WEST HOLLYWOOD, CA - JULY 09: Rob Reiner and Michele Reiner attend the premiere of Vertical Entertainment's "Shock and Awe" at The London West Hollywood on July 9, 2018 in West Hollywood, California. (Photo by Matt Winkelmeyer/Getty Images)

Rob and Michele Reiner died “minutes” after sustaining “multiple sharp force injuries,” the couple’s official death certificate confirms.

Rob, 78, the legendary actor-turned-director, and his wife Michele, 70, were found dead on Dec. 14 in their Brentwood home. The death certificates listed the cause as “with [a] knife, by another” and noted the time between the attack and death as “minutes.” Rob was discovered at 3:45 p.m. and Michele was found at 3:46 p.m. on Dec. 14. They have since been cremated, according to the death certificates. Their son Nick, 32, has been arrested and charged with two counts of murder.

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Rob and Michele Reiner met while he was directing the rom-com “When Harry Met Sally” and got married several months later in 1989. They had three kids, Nick, Romy and Jake. Rob also adopted his daughter, Tracy, during his first marriage to Penny Marshall.

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Rob and Michele’s bodies were found by Romy, who was called to the house after a massage therapist couldn’t reach the couple, according to the New York Times. Nick was arrested later that night.

Jake and Romy first spoke out about the death of their parents on Dec. 17. “Words cannot even begin to describe the unimaginable pain we are experiencing every moment of the day. The horrific and devastating loss of our parents, Rob and Michele Reiner, is something that no one should ever experience. They weren’t just our parents; they were our best friends,” they said in a statement.

They have since released a statement to People to share their gratitude for the “outpouring of love and support.” Jake and Romy added that a memorial service honoring Rob and Michele will be held “at a later date.”

Rob Reiner, the son of famed writer-director-comedian Carl Reiner, starred in the 1971 sitcom “All in the Family” before directing films like “This Is Spinal Tap,” “When Harry Met Sally,” “A Few Good Men” and “Stand by Me.” Rob’s most recent film, “Spinal Tap II: The End Continues,” was released earlier this year.