A short time later, she died of an unknown illness.

However, it doesn't take long before he succumbs to an unknown illness.

However, just days before the event Grant was forced from the card due to an unknown illness.

Ortega died on April 10, 1976 of an unknown illness.

That she was able to have so much success while battling an unknown illness is remarkable.

Local officials said that over 1,000 people were suffering from unknown illnesses.

However, Ratican was out much of the 1918-19 season will an unknown illness.

His father died of an unknown illness when Marichal was three years old.

He died after a short bout with an unknown illness on 22 June 1276.

He started to lose weight and died of an unknown illness on February 10, 2011.