My ex and I took our kids over to my dad’s house and we were up stairs in one of the empty rooms playing. The closet door opened a little bit on its own and my three year old jumped up, ran over to it and said “it’s grandma”. My mother died before he was even conceived.
When my nephew was 3 or 4, he would stare at the window in my parents’ kitchen. One day, my mom asked him what he was looking at, and he said, “When I lived here before, my name was Alphonse, and I was bigger than you.” My mom was slightly creeped out and eventually told my stepdad. My stepdad just kind of blinked and said, “Hmm. That was my grandfather’s name, but we don’t talk about him.”
A story of when my brother was younger that my parents often tell.
My dad and my granddad went to an old army base that was now used as a museum. As they went into a bunker, my brother started saying “This is where we hid from the monsters that went ‘BOOM BOOM BOOM'”. My dad thought it was a bit strange but kept on looking around. A low flying plane flew by and my brother said “That is the monster there.” as he was pointing to the plane. My brother was 2 at the time, which must have been in 1994. Needless to say, both my dad and my grandad were creeped out by it, and still are today.