Rob Reiner had more than one child, so the answer depends on which son is meant. The son most often mentioned in recent news is Nick Reiner.
Rob Reiner’s sons
Rob Reiner had two biological sons with his wife Michele Singer Reiner: Jake Reiner and Nick Reiner, and one adopted daughter, Tracy Reiner, from his marriage to Penny Marshall.
- Jake Reiner is an actor who has appeared in films and television projects.
- Nick Reiner is a screenwriter who co‑wrote the film “Being Charlie,” which his father directed and which drew on Nick’s past struggles with addiction.