How did Catherine of Aragon die?
By cancer, although at the time poison was suspected because of
her blackened heart, but at the time they did not understand the
effects of cancer.
Some people say it was from breast cancer, but no one knows the
Kathryn died due to lung cancer. Although some people think it
was breast cancer.
On January 7, 1536, Catherine of Aragon died at Kimbolton Castle
and was buried at Peterborough Abbey (later Peterborough Cathedral,
after the dissolution of the monasteries) with the ceremony due for
her position as Princess Dowager, not as a Queen of England.
She died of natural causes, probably of cancer.
Queen Catherine of Aragon (Henry VIII first wife) was sent to
live in isolation when Henry married Anne Boleyn. Some historians
believe she was poisoned slowly, while others think she simply died