What does the last depression mean?

1, depressed to death means: very sad, with a lot of worries to die.

2. Make sentences:

(1) Huang Yuyan is too old. Because her children don't come to see her all the year round, she died of depression the year before last.

(2) 1 100, Li Houzhu of the Southern Tang Dynasty was captured by Zhao Kuangyin of Song Taizu, and died of depression soon after.

There was once a richest man who lived here, but he died in the house. It is said that he was troubled by several wives before his death and died of depression in his later years.

(4) His mother became ill because of her husband's death, and soon died of depression.

(5) Jealous of the queen's position, and finally framed Dong Xiaowan. She thought that she would defeat Donna and Dong Xiaowan three years later, but in the end, something went wrong. She regretted it to the extreme and died of grief.