We know children and parents are a thing, and that the concept of love isn't alien to them, but with the ancients' society so deeply centered on homogenaeity and service to the star to the point that showing almost any manner of individuality is frowned upon after reaching adulthood, an activity like showing affection or appreciation for a specific person's good points (like a lot of conventional romance) would run a bit counter to that I think.
Do they date? Marry?
Emet-selch mentions taking part is stuff like that to play at mortal life during his ascian time, but he talks as if it were some base or disdainful activity (though it could also have been regarding doing so with the sundered peoples)
Are there any mentions in side convos or the lore books about stuff regarding relationships in amaurot?