Even if you’re thrilled about the prospect of meeting them, be aware that you need to be the one to fit into their lives, not the other way around.
Meet your beau's grown children when the time is right.
Since the children are grown, you can have an adult relationship with them and talk about subjects you might have in common.
Get to know more about the kids, such as whether they are in college, live at home with him, have kids of their own, if he gets together with them every Sunday and any other information you feel would be important to learn.
Think about how the relationship your man has with his kids and his ex impacts your relationship with him.
Dating a man with grown children will also require you to interact with the kids from time to time.