The best known conjoined twins were Eng and Chang Bunker, born in Siam in 1811 -- hence the phrase Siamese Twins. They led a full life, marrying the sisters Sallie and Adelaide Yates, and ...

Ronnie and Donnie Galyon hope to become the world's oldest conjoined twins in October, when they turn 63 This weekend they are celebrating overtaking the age of their heroes, Thai twins Chang and ...