in the chips?

Found a reference in the following French-English dictionary: Le petit Ophrys: dictionnaire anglais-français. One here:http://idioms.thefreedictionary...e+in+the+chips and http://answers.yahoo.com/questi...9142039AA2xs4p

It doesn't seem very common.

"in the chips" sounds like British slang to me.

I checked urbandictionary.com, but it wasn't there.
(I think it has more American slang than British).

The original Japanese, with translation from Jim Breen's online dictionary:
裕福 【ゆうふく】 (adj-na,n) affluence; prosperity;

So I would suggest:

The Van Horn family was wealthy.
The Van Horn family was affluent.
The Van Horn family was prosperous.

Using slang:

The Van Horn family was loaded.
The Van Horn family was filthy rich.
The Van Horn family was riding high.

From the 1942 (American) Andrews Sisters hit, "Strip Polka", about a stripper with a heart of gold:

"And she hopes to retire to a farm someday
But you can't have a farm unless you're up in the chips
So the band plays the polka while she strips"

OK

Hmm. That's a new one on me.

When I finally looked more closely, I found it
on dictionary.com:

http://dictionary.reference.com...e/in+the+chips

So I think it's okay, albeit unusual.