Was I wrong to tell my mom about my dads behaviour?

Anonymous

My dad has always been involved in sketchy behaviour being scammed by forgeiners, gambling addict and stuff and I’ve seen him on dating app and told my mom. But today I overheard a conversation I wish I didn’t. He was talking to my auntie on the phone she said “that’s disgusting what you sent me on WhatsApp , that is disgusting”

he said I know I know I am so sorry I didn’t mean it I’m sorry and tried to come up with an excuse, that he was hacked etc

my auntie said no it came straight from your phone. That was you who sent me it. I don’t want to know I don’t care it’s a guy thing I am just saying I think it’s disgusting you’ve sent me that it’s obviously an accident. He said “I know I’m just shaking incase yours truly finds out” she said she wouldn’t mention it to my mom don’t worry

but I did. And now my mom is mad I told her…

Was I wrong to tell my mom about my dads behaviour?
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