Row owner from a Relation column

[Jeff_Hager]

What you want to do is not possible. Make note of the the third point in this post.

Relation Based on a Relation?

There’s a lot of ways to approach it. But here are some general guidelines. First, it should be known that you can assign Row Owners to multiple columns. It doesn’t necessarily have to be an array. You can mix emails and roles in a single column as well as in multiple columns. You can assign multi roles to each user, but this does have to be an array, and the only way to create that array is to sequentially number columns in an external database, such as google sheets. Computed columns, inc…