There is not a direct relationship between Fox News and Fox 45. That is true.
But...
Fox 45 Baltimore is owned by the Sinclair Broadcast Group, and corporation with a definite pro-Trump bias, and a history of making editorial decisions pushing stories to the right.
So you can say that Fox News and Fox 45 don't have anything to do with each other in a corporate tree, but the are both pushing the far right narrative because they largely follow the same editorial dictates.
But...
Fox 45 Baltimore is owned by the Sinclair Broadcast Group, and corporation with a definite pro-Trump bias, and a history of making editorial decisions pushing stories to the right.
So you can say that Fox News and Fox 45 don't have anything to do with each other in a corporate tree, but the are both pushing the far right narrative because they largely follow the same editorial dictates.