RLS was christened Robert Lewis Balfour Stevenson, but changed his name from Lewis to Louis when he was 18, and then dropped Balfour in 1873.
“I was an only child and, it maybe in consequence, both intelligent and sickly. I have three powerful impressions of my childhood: my sufferings when I was sick, my delights in convalescence at my grandfather’s manse of Colinton, near Edinburgh, and the unnatural activity of my mind after I was in bed at night.”
ROBERT LOUIS STEVENSON – FROM “MEMOIRS OF HIMSELF”