The right thing to do is to thank them for their work, let people know that they're moving on, and. . . you don't really have to explain all their personal details. It's more important to leave them with their dignity. . . and let them go on to live another day. Remember, what you say at that meeting, that's their reputation.
I have no idea why I write. The old standards are: I like to express my feelings, stretch my imagination, earn money.