The first card to consider is the reversed Ten of Cups. This card indicates that family relationships cannot be expected to be ideal, but that hard work must be done to achieve harmony and mutual well-being. When the card is reversed, it represents a time when people are divided by different opinions and prejudices, and in this case it is possible that the jealousy issues between parents and children already exist or are emerging. To resolve jealousy issues in your family, you'll have to accept that it won't be as perfect as you might want, but that doesn't mean they can't be resolved.
The other card to consider is the Knight of Cups. This card represents the need to know how to be content and focus on what you have rather than what you would like to have. When the card is upright, it indicates that one should be ready to adapt to circumstances and do the best with what one has available. The Knight of Cups suggests that if you really want to solve jealousy problems in your family, you will have to accept your family members as they are, even if they don't match the ideal you had in mind.
From the tarot cards analyzed, a clear message emerges: if you want to solve jealousy problems in your family, you must be ready to accept reality as it is and focus on what you have available. Furthermore, you will need to be willing to work hard to achieve harmony and mutual well-being. The key to solving jealousy issues in your family is therefore to acknowledge that it will never be what you expect and to focus on what you can do to achieve a positive balance between all family members.