This page describes all of Myrtle's relationships with her family and friends.
She and Albert are currently dating as of "Insta-gran".
In "Racing Hearts", they were partners for the Astonishing Quest.
In "Insta-gran", Albert gets a new girlfriend who smothers his grandchildren which they dislike. However, after discovering that she does not really have a family, they admit to Albert that the photo is fake and him why they did it.