Please review this

I forgot "at the time" after "sad". Don't know if it changes anything.

Of course we were sad at the time as we knew he was going to die soon, but it was also kind of a relief at last because we could see he was suffering.

There has to be a comma after "time".

The "it" after "but" has a phantom antecedent; you mean "our knowledge of the the nearness of his death", but you don't write it. The reader goes on a wild goose chase.

"At last" is

Thank you Anonymous. There seems to be too many problems with it, so I'll try something else:

He had been ill for a long time. And of course it was hard to see him go, but it was also kind of a relief at last, because he was suffering a lot.

(It was a relief for them during the last period of his illness knowing that he would soon get peace)

Is this more clear or do you detec