India, Dec. 15 -- Tributes have poured in for Rob Reiner and Michele Singer Reiner after the famed couple were found dead inside their Brentwood home on Sunday, December 14. Multiple sources told People that the couple were killed by their son, Nick Reiner. However, authorities have yet to confirm this information.

Rob and Michele were found dead in their home by their daughter Romy, sources told People. While an official cause of death has not been released, TMZ cited sources to confirm that the couple sustained "lacerations consistent with a knife."

Among those who remembered Rob and Michele is former resident Barack Obama. "Michelle and I are heartbroken by the tragic passing of Rob Reiner and his beloved wife, Michele," he wrote on ...