Culio is married to his wife and together, they have two daughters and one son. He also expressed interests in obtaining a Romanian Citizenship despite struggling to speak the language at first. When he first joined CFR Cluj, Culio stated that he was treated as Romanian, along with his family. He further previously stated that he wanted to play for Romania instead of his native country on three separate statements. In December 2019, Culio decided to leave CFR Cluj for personal reasons and to return with his family to Argentina.