Ronnie and Donnie Galyon set the world record for oldest-living conjoined twins ... Ronnie and Donnie Galyon, the longest-surviving pair of conjoined twins ever, have died. They were 68.

which Donnie controls A set of 62-year-old conjoined twins from Ohio are preparing to become the world's longest living duo as they hit a massive milestone this weekend. Ronnie and Donnie Galyon ...

The world's longest-living twins have passed away ... Records are saddened to learn of the deaths of the oldest living conjoined twins and oldest female conjoined twins ever, Lori and George ...

After spending almost a year in intensive care following their arrival, conjoined ... going to live long, healthy lives. It's pretty miraculous and unbelievable that we're living this life." ...

Not only did Lori and George go on to hold the Guinness World Record for the oldest-living conjoined twins, the pair also became the first same-sex conjoined twins to identify as different genders.

(CNN)-- Conjoined Egyptian ... more than 15 hours. "The twins' parents have visited them in the [pediatric intensive care unit], but they can't stay there long. They come and go," Al-Shalan ...