https://www.theguardian.com/us-news/2020/jul/22/mary-donald-trump-interview-bestseller-racism-incompetence-cruelty

She is a psychologist who used to deny being related to Donald – now she has written an explosive bestseller about him. She discusses his racism, incompetence, cruelty and why he never laughs

Dinner in the Trump household was a hierarchical affair. Fred Trump, the patriarch, sat at the head of the table, with son Donald on his right and daughter Maryanne on his left. Other family members took their places in descending order of assigned importance.

But one Thanksgiving, the eldest son, Fred Jr, found himself relegated to the junior end of the table with his daughter Mary. “During the course of the meal, my grandmother choked,” Mary Trump recalls. “My dad had been a volunteer ambulance driver in the late 60s and early 70s so he knew the Heimlich manoeuvre and he very gently manoeuvred her into the kitchen and gave her the Heimlich, and that basically saved her from choking.