Brian Kenneth Dean Paul, known as "Napier" or "Napper", was born in 1904, the son of Sir Aubrey Edward Henry Dean Paul, 5th Baronet, and Irene Regina "Poldowski" Wieniawski.
He got his nickname from his habit of falling asleep in doorways due to a serious drug addiction;[1] like his younger sister, the socialite and sometime actress Brenda Dean Paul, he was an alcoholic and opiate user.
[2] In 1930 Napper Dean Paul took over the grill-room of a restaurant in Burlington Gardens, which he named "The Breakfast-Room".
[2] Scotland Yard described Napper Dean Paul as a "young man of effeminate habits and manners, who does not appear to follow any occupation".
[2] He was also a cross-dresser, and supported himself with petty crimes, even if in the early 1930s he tried a career as interior designer.