Last year, my grandpa passed, and the inheritance drama kicked off fast. I’m Richard, 33, and to my shock, he left me almost everything—a huge house worth nearly $900K, plus stacks of cash and valuables adding up to over $250K.

The twist? Grandpa left nothing for my dad, Mark, 67, or my brother, James, 41. Cue the family drama. Here’s the backstory: my dad and his dad had a huge falling out when my dad married my mom, Catherine, back in college.

Grandpa cut my dad out of his life. He never even met my brother or me until after he passed.

At Grandpa John’s funeral, we met with the lawyer to go over the inheritance. Turns out, he divided everything into thirds—two shares for his daughters, and one for me… taking my dad’s portion. No love for dad or James. Dad was losing it, understandably, while I was just sitting there thinking, “Eh, okay then.”

Then comes the bombshell.

The family lawyer handed me a letter from Grandpa John, written a year before he died. In it, he drops a bomb—my dad isn’t James’s biological father. Mom was already pregnant with James when she met Dad, and Grandpa couldn’t handle it, so he disowned Dad. They never reconciled.

I confirmed the story with my parents, and it turns out Grandpa’s disapproval caused years of tension. The letter also hints at reconciliation—he regretted his choices and hoped the truth might bring us closer.

Now, Dad has no idea, and I’m stuck in the middle. Do I tell him or keep it secret? Add the inheritance drama on top, and the family’s calling me greedy for not sharing. It’s a total mess, and I have no clue how to handle it without causing a meltdown.