翻译一下这段话

My grandfather was a rich man, the others admired him. he owns a house of two storeys.
However, about in 1970, his house was divided into 7. He lives in a small house, he is sad, and lost a lot.
Afterwards,he got a new house, and no small, he was surprised and pleased.
Previously, the annual spring festival,mom and dad would go to see him, but he is old, and eventually gone out, I haven't seen him.
Finally, he gave all his assets contributed to the country, as I admire.

My grandfather was a millionaire, other peoples was so envy him. He has a double-story house.

But at 1970-an, his house has been divided for many people, but he live at a small house, he was upset and disappointed.
He also lost a lot of entities at that time.

After that, he got a quite big new house again, he was so happy and surprise.

Every new year, my parent will visit him. But time passed by, he was older and older, finally passed away. Since i born i have never see him before.

After he passed away, my grandfather donate all his assets to the government. Now he was the people i admire most.