Joy Shiers, the mother of Prestatyn fire victim Lee-Anna Shiers, has told reporters: "We're overjoyed that we've got justice."
She added: "We want to say thank you to everyone who has supported us and helped us through this horrible time."
The family say they want to 'get on with normal life' following the verdict, adding: "Our angels would want us to carry on."
Neighbour Melanie Smith will be sentenced next month after being found guilty of five counts of murder.
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The full-back has announced the birth of his daughter Lily Louise Halfpenny.
Plaid Cymru and the Welsh Liberal Democrats are renewing their calls for a People's Vote.
Thirty-three Welsh MPs voted against the Prime Minister Theresa May's Brexit deal, including Nick Smith who was a teller. Six voted for it.