Meet your twin flame while already having a family?
What if you're married and you have a family, then you meet your twin flame? Simply, you start being attracted to them, is this wrong?
You will be attracted to your twin flame, whether you are married or even have children.
It is a spiritual connection. It may look different, by "human rules", but you are not in control of that and have nothing to say.
Your connection to this special soul was there long before you were born. For this reason, this relationship will challenge you to abandon human rules.
You can either divorce or allow the Divine to take care of the situation for you. If it's real for you, you don't usually have to choose. It will be selected for you.
Having a twin flame is not "wrong". How you handle it matters. Treat your family and spouse with respect, and honor them.
Then focus on yourself. How are you going to find your way to yourself? How are you going to control your feelings and your energies? And how are you going to let go? How can you find the best version of yourself, the closest to your soul. At that time, making a decision about your life will be easy and correct.
Briefly, you and your twin are identical twin flames. This bond existed before your marriage and even before your birth. It is spiritual in nature.