 However, undue influence may be proved either as actual undue influence, or by establishing that the relationship was one in which the wife reposed trust and confidence in the husband to manage the financial affairs.Generally speaking, where a person seeks equitable relief (such as rescission) against a third party, then under ordinary equitable principles the third party must have had some kind of notice of the facts.Otherwise as an innocent third party, it would entitled to act in good faith and rely upon its rights.