Rob Reiner had four children in total.

Quick answer

  • Rob Reiner was the father of four children:
    • Tracy Reiner (adopted daughter from his first marriage to Penny Marshall)
* Jake Reiner (son)

* Nick Reiner (son)

* Romy Reiner (daughter)

Across his two marriages, this blended family of four children is consistently described in recent coverage and obituaries.