You did well. Good job remaining calm; there were enough emotions running high with W and D17. Also good to see you not offering solutions or trying to fix things.
Let W have lots of space.
D17, and the other kids, will have anger and frustration towards mom. However, for a while, they will not be able to risk loosing Mom and therefore will not say too much to her. Kids unfairly lash out at the stable parent, until they get a better handle on themselves and their situation. It’s unfair and perfectly normal.
Be there for them, just like you did. Offering to help with her hair was good. “I will do my best, just tell me what to do, as I don’t have such long beautiful hair I’ve never done this before”. Keeping Mom’s behaviour/actions out of conversation and/or any comparing, is a good and calming tacit.
You are a living example for your children. The strong and stable parent.
Well done Dad.
D
Feelings are fleeting. Be better, not bitter. Love the person, forgive the sin.