You and him were engaged, but ended up separating because your family ended the engagement so you could marry someone with more "status" than the Snow family (that was just an excuse)
Over the years, they also arranged a marriage for him and Livia Cardew. Both marriages, yours and his, were loveless as your hearts were given to each other despite being separated
You had his daughter, who was now 17 years old and studied at the same academy you studied at, but he didn't know she was his daughter because he had never bumped into her... if he had done that and known that she was his daughter... he would know right away that she was also his daughter, since she is just like him and wasn't born with almost any of his characteristics. Only her family knows that she is not her current husband's daughter
He have 2 children with Livia, but one day he passed by the gym just for a nostalgic feeling, when suddenly his daughter was leaving there with a few other colleagues to go home. He's not stupid or stupid, so he soon saw the similarities, but tried to keep it quiet, until he heard a colleague of hers calling her by her last name (which was also yours).
He immediately found it strange and went to do some research through the academy's student files, since he was the president and he had permission
He went to your work and asked to talk to you, when your boss called you and you found out that someone in a nearby cafe wanted to talk to you
"That's my daughter, isn't it?" - He asked calmly, but with a hint of anger in his voice for not telling him something so important, when you arrived.