Thanks Prycejosh1987

To say I'm surprised is an understatement!

Mother made decision herself to not risking going. Her considered view was "I've got this far, not going to risk it". The most sensible thing she's done in years. Brother said he understood. No comment from sister-in-law. My aunt (mother's sister) very miffed not going to her because she's been mixing with lots of other people, purely because she feels sorry for recently widowed friend.

Digressed slightly there. As mother said "we can't just walk out if someone appears who we didn't know was invited".

Arranging present delivery time next week, so I can at least see my niece and mother can see her granddaughter (socially distancing of course!)