They died from Typhus fever.
agatha's father died when she was 11 from an uncertain cause of illness, many doctors were called in and some blamed it on 'financial worries'. it is unknown how her mother Clarissa died although she died in 1926.
Mr. Darcy's parents died from smallpox when he was a young boy. This loss greatly impacted his life and influenced his reserved and aloof demeanor.
She dies of Tuberculosis.
In the book.
Mrs. Reynolds
At the town's ball, when he arrives with Bingley's party.
No, both Mr and Mrs Weasley survive.
No, Mr. Darcy does not regain his memory in "Darcy's Temptation" by Regina Jeffers. The novel explores a storyline where Mr. Darcy faces challenges that test his character and relationship with Elizabeth Bennet, but memory loss and recovery are not part of the plot.
hakeem
Peter, actually Peter Bernard
Jim Burden's parents die. Mr Shimerda (Antonia's father) also dies, supposedly by suicide.
Umbrella
Mr. Rogers and Mrs. Rogers
This is because when he proposed to Elizabeth, he was sure that she was going to accept him. But when she refused him, he understood the error of his ways and tried to change for the better.
His parents are Mr and Mrs Ledger.