The actress Angelina Jolie has given birth to both a boy and a girl. The babies were delivered by Caesarean section on Saturday night. Jolie and the twins are doing well. The baby boy was named Knox Leon and was born weighing just over 5 pounds. The girl was named Vivienne Marcheline and weighed 5 pounds. The babies were born at the seaside Lenval hospital in Nice in southern France. Jolie is expected to stay in the hospital for a few more days.