bufuphobia
Bufuphobia is the fear or aversion specifically related to one's uncle who is their father's brother.
Fear of your uncle that is your father's brother
fratrophobia
Fratrophobia is the fear of one's brother.
Fear of your brother
matertrophobia
Matertrophobia is the fear of one's mother or motherhood in general.
Fear of your aunt
matrophobia
Matrophobia is the fear of one's mother. It is a specific phobia that can cause significant distress and impact a person's daily life.
Fear of your mother
pibliphobia
Pibliphobia is the fear or anxiety specifically related to one's aunt or uncle.
Fear of your aunt or uncle
ribliphobia
Ribliphobia is the fear of one's niece, nephew, aunt, or uncle.
Fear of your niece, nephew, aunt or uncle