Visa to Ireland

Hello to all,
I am EU citizen. My wife is not EU citizen but she has ' Residence Permit' from my country and if she want she has the right to apply for citizenship.
I want to move in Ireland and I do not need Visa. But in my case , if I travel with my wife then she need Visa or Not ?
If someone know about it or have his/her own experience like my case then can give some information ?. Thanks.

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