Evangeline Rowle shows up early and leaves as soon as any member of her family arrives. can't be apart of the drama if you never get invited to things ever again
Algernon Rowle is Too Old For This, but would rather die than have rumors about him, so he is there and making the social rounds until he wears himself out.
Henry Berkwood is in a corner somewhere and honestly, it's lucky he remembered this was happening. :P