I really love this particular interchange between Henry and Elinor, presumably [at least in the eyes of Catherine] Henry talking about Isabella as a sister-in-law to them (to be engaged to Captain Tilney.) But I think it is clear the comment is really about Catherine, and the smile and response by Elinor is very sweet. I as a reader realize that E & H personally could care less what kind of money Catherine has - she is beloved by them. :)

...“Prepare for your sister–in–law, Eleanor, and such a sister–in–law as you must delight in! Open, candid, artless, guileless, with affections strong but simple, forming no pretensions, and knowing no disguise.”