Ex-husband’s troubled history burdens family

Dear Amy: After many years of marriage and two children, my now ex-husband revealed that a few years before he and I met, when he was about 30 years old, he had a “consensual” sexual relationship with his 15-year-old, non-biological niece (his ex-wife’s niece).

Everyone in their family found out about it and was upset — but nothing happened.

I was devastated by this information and other serious problems in our marriage, and we divorced. We’ve been divorced for seven years. Our children are 15 and 17 years old.

My ex and I still live in our hometown and share custody of our children.

I haven’t told our kids — or my family — about this event.

I’m living in fear that my kids will find out one day and that they will resent me.

Holding onto this secret has cost me a…