Katlyn,
I once asked the birth father what he wanted me to do if our birth son contacted me and wanted to know about his bdad. He told me that he'd let me meet him first and trust my judgment. (Thanks a bunch!

) Unfortunately he died several years ago of cancer and never got to meet his bson.
I did call bdad's widow and let her know - bson has a half brother who is her son. I hope they will get together some day. I gave her bson's iinfo. I don't know if she passed it along to her son. (He's in his 20s.)
I don't know if there's any one right way to handle the situation. Relationships (if any) between bparents vary greatly. What's appropriate in one case would never work in another.
I'm really helpful, aren't I?
Blessings
Kathy