My son, who is 19 years old, does not contact me. I send him text messages, trying my best to maintain our…

Answer

In the name of Allah, do you mean to deny your paternity? Has he become someone else’s child? A child's disobedience to their father does not change their lineage. Your name is written on his ID. You should have considered the consequences you face now when you did not make efforts to keep his mother as your wife. Allah is the Guide.