Is it a good complement to tell a girl “I’m sure your mother is proud to have you as a daughter”?

This is what I said in a social media post about this girls mothers birthday.

She said thank you but I thought this complement sounds like something an older person would say to a younger person.
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11 mo
Anyone else?
Is it a good complement to tell a girl “I’m sure your mother is proud to have you as a daughter”?
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