The health of Theophilos gradually failed, and he died on 20 January 842.

For a man who created so many memories, his own is gradually failing him.

His strength gradually failed, and he died at Paris in 1655.

His health gradually failed, and on February 11.

He missed his work, and his health gradually failed him.

His health having gradually failed, he died on the 11th May, 1871, in the seventy-ninth year of his age.

Early in 1877 his health, which had been gradually failing for some years, began to give way.

His health, however, had been gradually failing, and he resigned in 1850.

His health failed gradually - according to some due to disappointment over the failed mission to Africa.

He died after gradually failing health in 1981 at the age of eighty-seven.