I've noticed some potential improvements that could be made to tags for familial relationships between characters. Posting this in one thread instead of running through the alias/implication suggestion forms multiple times, and because I think it would be better to discuss this stuff in one place.

• grandpa, granddad, grand_dad, and synonyms -> alias to a disambiguation tag, since these could refer to a grandfather, an older male, or in the case of grand_dad and variations, to the 7 GRAND DAD Vinesauce meme (which has shown up on this site).
• Do the same for grandma and synonyms.
• grandfather_and_grandson -> imply grandfather and grandson tags
• grandmother_and_grandson -> imply grandmother and grandson tags
• Imply grandparent from grandmother and grandfather
• daddy -> alias to daddy_(disambiguation) instead of aliasing to father. I've seen posts with only father tagged that also have no clear father/offspring relations going on, neither in the post or the source. This tells me some people are using it for daddy kink situations or for males with a "daddy" body type, neither of which imply incest or familial relationships.
• niece and nephew -> imply nibling. This could be a shaky one, since nibling is mainly used in genealogical circles to talk about nieces and nephews, and doesn't see much common usage. However, we've also switched to officially using taxonomical names for IRL species, so I wouldn't be surprised.
• aunt and uncle -> imply avunculus or pibling. I honestly have a hard time expecting either of these to be taken up since they are even less heard of than nibling, but since we have parent for mother and father, I figured it would be logically consistent. However, it might also be redundant, as nibling would imply either an aunt or an uncle, and we also let parent pick up the slack for the lack of an offspring tag.