The great-great-grandmother of the maternal youth had a hemophilic son and daughter. The young man is healthy

The great-great-grandmother of the maternal youth had a hemophilic son and daughter. The young man is healthy. Are there any fears that the children of this young man may have either this disease, or they will be carriers of this trait? In what case can these concerns be?

1) A young man cannot have such fears if he marries a girl in whose family there were no hemophiliacs.
2) In this case, his children will also not be carriers of hemophilia

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.