Buffy, how old were your kids? My kids are younger (almost tween and young teen) and they've been raised to be pretty open and tolerant, even though I've lived as a straight woman and we haven't been involved in the lgbt community. I'm fairly sure they'll be accepting, heck I've hinted around a lot with them. We do have a very close, open relationship.
Sorry about your kids.
I'm not close with my family, and I'm already coming to terms with issues with them, so if they don't speak to me, well I don't speak to them hardly anyway.
Work will be hard only because it's so public. I've thought about waiting till I change jobs, but that might be a while and I don't think I can wait that long.
Jay