Sister-in-law

My brother got a girl pregnant at college, had to marry her or be cut off financially by our grandfather. So, he married her on him finishing college our grandfather passed away, he filed for divorce after inheriting his share as he called it. Our father had predeceased his father due to motorboat accident. My brother thought he was smart, unfortunately he hadn't read the small print as they say. He was only getting a third of what he thought he was getting. The other two thirds were in trust for daughter, and I was her inheritances legal guardian. My brother and get like a lit match and gasoline, explosive at the best of times. To rub salt into the wound he'd to pay his now ex-wife alimony and child support till she remarried, then only child support. Well, she did remarry 15 months after the divorce, and she married me. Already pregnant again on our wedding day, which really annoyed my so-called smarter brother. He may have beat my college scores when he passed but failed badly at being a father and husband. I'm supported by the rest the family he is the black sheep at best and our mother doesn't even bother to invite him to his daughter's birthday parties as he causes trouble. I'm quite happy married to my former sister-in-law and she to me another thing that annoys my brother greatly. I send him happy photos of us with his daughter, I know he tears them up on receiving them as a cousin was there and once my brother saw the photo her tore it up. He hasn't made attempt to see his daughter since the divorce, only he made was to get me replaced by him as guardian of his daughter's trust fund, he failed badly.