It's sad that he hasn't been invited, but it is entirely up to the other mother who she invites to the party, even though it seems unfair. Parties are very expensive and you have to put a limit on numbers. I don't think you should say anything, but by all means ask the birthday boy out for a little treat with your grandson. (It's called "Turning the other cheek") Perhaps your daughter (not you!) could say something like: "This is a little treat for X as my son couldn't spend time with him on his actual birthday."
Good Morning Monday 15th June 2026



even.