The Guinness Book of World Records claims that Barbara Zulu of Barberton, South Africa holds the world record for giving birth to the greatest number of twins. Between 1967 and 1973, she bore three sets of girls and three mixed sets.
A story from December 25, 1959, proves that she was not the first. On this date, it was announced that Mrs. Ernest Kittelberger of Rochester, NY had also given birth to her sixth set of twins.
The article stated that the odds of this happening were 433,626,201,009 to 1 – clearly an everyday occurrence.
Sadly three sets of the Kittelberger twins died shortly after birth. The surviving pairs were Fred & Pamela, Gary & Barry, and Gerald & Darryl.