From 2002 to 2004, he would be out of pro wrestling with an unknown ailment.

He died from an unknown ailment on April 12, 1869, at the age of 68 and was buried at sea.

Rushton suspects that William himself could have been suffering from "an unknown ailment."

It becomes clear that the mystery woman is not merely bedridden, but also mentally impaired due to her unknown ailments.

"It appears to be some kind of unknown avian ailment."

Over the course of several days, he became severely ill with an unknown digestive ailment.

"You say the Deltans succumbed to an unknown ailment?"

The emperor's unknown ailment had also suddenly been lifted.

When he was 5 he began losing his sight from an unknown ailment that may have been glaucoma.

He died on December 24, 2009 of an unknown ailment.