Hi Shiffar,
In case you’re still looking around, our guild BEAST (Eonar-EU) is off for a start with a new and fresh group of players in the upcoming expansion.
BEAST has a wide variety of players, also players in a similar place as you describe, having young kids and still wanting to play WoW but being somewhat limited by balancing work, gaming and family time.
BEAST exists for nearly 10 years now and is a place to be who you want to be, giving company and an atmosphere to become better at your own pace.