that of mine

Is this sentence correct:

1-My brothers are wealthy and so are yours, but the wealth of your brother was no earned in the same way as that of mine. (as the wealth of my brothers)

navi tasan said:

Is this sentence correct:

1-My brothers are wealthy and so are yours, but the wealth of your brother was not earned in the same way as that of mine. (as the wealth of my brother[STRIKE]s[/STRIKE])

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It's possible, but this is more natural:

...but your brother's wealth was not earned in the same way as my brother's.

Thanks Fivejedjon.

Well, the idea was to have brothers on one side and one single brother on the other.

... as my brothers'

Sorry, my slip.