I will send you an email later, because I'm just about to go to bed.
OMG yes, it's official, Nyx will be stopping by frequently because Dora will always whine about wanting to see that nice old man.
Elphias says he is older than Abe, so he invited Abe to be in the old farts collective!
Hestia is well used to those sorts of people - she's actually working on a healthy, or healthier I should say, line of sweets.
I forgot - Rod is one year older than Benjy, so chances are they had some interactions at Hogwarts, or at least did the "Eww, Muggleborn" look in Benjy's direction.