Default constructor of non-Serializable parent POJO is not called in deserialization process

mutable_one: true
mutable_two: false
mutable_three: true

mutable_one: false
mutable_two: false
mutable_three: false

public class MySerializable extends NonSerializableParent implements Serializable {
  private String name;
  public MySerializable(String name) {
    this.name = name;
  }
  public String toString() {
    StringBuilder sb = new StringBuilder();
    sb.append(String.format("name: %s\n", name));
    sb.append(String.format("mutable_one: %s\n", this.is_mutable_one()));
    sb.append(String.format("mutable_two: %s\n", this.is_mutable_two()));
    sb.append(String.format("mutable_three: %s\n", this.is_mutable_three()));
    return sb.toString();
  }   
}
public class NonSerializableParent {
    private transient boolean _mutable_one;
    private transient boolean _mutable_two;
    private transient boolean _mutable_three;    
    public NonSerializableParent() {
        this._mutable_one = true;
        this._mutable_two = false;
        this._mutable_three = true;
    }       
  public boolean is_mutable_one() {
    return _mutable_one;
  }
  public void set_mutable_one(boolean _mutable_one) {
    this._mutable_one = _mutable_one;
  }
  public boolean is_mutable_two() {
    return _mutable_two;
  }
  public void set_mutable_two(boolean _mutable_two) {
    this._mutable_two = _mutable_two;
  }
  public boolean is_mutable_three() {
    return _mutable_three;
  }
  public void set_mutable_three(boolean _mutable_three) {
    this._mutable_three = _mutable_three;
  }
}