(From left to right) Lorelai Stein, 7, and Audrey Stein, 4, hold their newborn sister, Sadie, i …

(From left to right) Lorelai Stein, 7, and Audrey Stein, 4, hold their newborn sister, Sadie, in their apartment in Madrid, Spain. Sadie was born at home April 1. (Chris Stein)