Three events of the actual death of Julia.

From the text:

“You can imagine from what I say that my poor sister Julia and I had no great pleasure in our lives. No servant would stay with us, and for a long time we did all the work of the house. She was but thirty at the time of her death, and yet her hair had already begun to whiten, even as mine has.”

“Your sister is dead, then?”

“She died just two years ago, and it is of her death that I wish to speak to you. You can understand that, living the life which I have described, we were little likely to see anyone of our own age and position. We had, however, an aunt, my mother’s maiden sister, Miss Honoria Westphail, who lives near Harrow, and we were occasionally allowed to pay short visits at this lady’s house. Julia went there at Christmas two years ago, and met there a half-pay major of marines, to whom she became engaged. My stepfather learned of the engagement when my sister returned and offered no objection to the marriage; but within a fortnight of the day which had been fixed for the wedding, the terrible event occurred which has deprived me of my only companion.”