While the words “jealousy” and “envy” seem to be used interchangeably, there is a difference between "envy" and "jealousy". Jealousy involves negative emotion (嫉妒), while envy may mean positive (羨慕).
Tom’s wife is jealous of his brother-in-law getting more than 80% of the family inheritance, and is scheming up something to get all of his inheritance.
Your kids are so adorable. I am really envious of your loving family.