Elisabeth ten Boom (19 August 1885 – 16 December 1944) was a Dutch woman, the daughter of a watchmaker, who suffered persecution under the Nazi regime in World War II, including incarceration in Ravensbrück concentration camp, where she died aged 59. The daughter of Casper ten Boom, she is one of the leading characters in The Hiding Place, a book written by her sister Corrie ten Boom about the family′s experiences during World War II. Nicknamed Betsie, she suffered from pernicious anemia from her birth. The oldest of five Ten Boom children, she did not leave the family and marry, but remained at home until World War II. She is a Righteous Among the Nations.