I wouldn't bring it up with your wife. She can attend or not, but that really isn't up to you and asking won't change anything.
My thought with the kids is that they need to be priority for you (not her) and I would rearrange my schedule for them (not her). I would spend time with them, but not her. Is that possible?
W 34 Me 42 Married 7 years together 8 0 kids 1 beloved dog BD 4/6/2018 I moved out 4/7/2018 I moved back in alone 8/05/2018 I file 3/06/2019 D official 5/7/2019