@Hank "If they do meet the definition to claim him as a dependent he would not qualify for any recovery rebates."

That's true for EIP#1 and EIP#2.  For the next one, all I know is what I read in the newspaper.

"Adult dependents are eligible for stimulus payments under the Democrats’ current plan, according to multiple people with knowledge of the matter."

https://www.washingtonpost.com/business/2021/02/03/biden-stimulus-checks-what-you-need-to-know/