I did. Not yet married, but you can start it for them too.
From memory you need to be there for 12 months before they will start the process but yes all family members can be on the application.
Do it right away, or you will regret waiting I guarantee you. It takes forever.
Related question how does eb2 vs eb3 work at Google? Does manager have full control over the job description?
GC?
Greencard
Bingo 😉