NEWFAMILYTREE.JAVA:

package familyTreeTest;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTabbedPane;

import net.miginfocom.swing.MigLayout;
import javax.swing.SwingConstants;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

public class NewFamilyTree {

    private JFrame frame;
    private JPanel panel_1;
    private JScrollPane scrollPane;
    private JTabbedPane tabbedPane;
    int cooX = 5;
    int cooY = 90;

    /**
     * Launch the application.
     */
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            public void run() {
                try {
                    NewFamilyTree window = new NewFamilyTree();
                    window.frame.setVisible(true);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }

        });
    }

    /**
     * Create the application.
     */
    public NewFamilyTree() {
        initialize();
    }

    /**
     * Initialize the contents of the frame.
     */
    private void initialize() {
        frame = new JFrame();
        frame.setTitle("New family tree");
        frame.getContentPane().setBackground(new Color(135, 206, 250));
        frame.setBounds(100, 100, 906, 569);
        frame.setExtendedState(JFrame.MAXIMIZED_BOTH);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        JPanel panel = new JPanel();
        panel.setBackground(new Color(30, 144, 255));
        frame.getContentPane().add(panel, BorderLayout.EAST);
        panel.setLayout(new MigLayout("", "[]", "[][][][][][][][]"));

        JButton newPersonButton = new JButton("New Person");
        newPersonButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent arg0) {

                final Data data = NewPerson.createPerson(frame);
                if (data != null) {

                    String Val = data.CBvalue;

                    if (Val == "mother") {

                        JLabel lblHomer = new JLabel(data.names);

                        lblHomer.setIcon(new ImageIcon(data.fileID));

                        cooX = cooX + 20;
                        cooY = cooY - 20;

                        panel_1.add(lblHomer, "cell " + cooX + " " + cooY);
                        panel_1.revalidate();

                    } else {
                        JLabel lblHomer = new JLabel(data.names);
                        lblHomer.addMouseListener(new MouseAdapter() {
                            @Override
                            public void mouseClicked(MouseEvent arg0) {

                                final Data data = NewPerson.createPerson(frame);
                                if (data != null) {

                                    String Val = data.CBvalue;

                                    if (Val == "mother") {

                                        JLabel lblHomer = new JLabel(data.names);

                                        lblHomer.setIcon(new ImageIcon(data.fileID));

                                        cooX = cooX + 20;
                                        cooY = cooY - 20;

                                        panel_1.add(lblHomer, "cell " + cooX + " " + cooY);
                                        panel_1.revalidate();

                            }}}
                        });

                        lblHomer.setIcon(new ImageIcon(data.fileID));

                        panel_1.add(lblHomer, "cell " + cooX + " " + cooY);
                        panel_1.revalidate();
                    }
                }
            }
        });
        panel.add(newPersonButton, "cell 0 5");

        JButton btnNewButton_1 = new JButton("New button");
        panel.add(btnNewButton_1, "cell 0 6");

        tabbedPane = new JTabbedPane(JTabbedPane.TOP);
        frame.getContentPane().add(tabbedPane, BorderLayout.CENTER);

        scrollPane = new JScrollPane(null);
        tabbedPane.addTab("Tree", null, scrollPane, null);

        panel_1 = new JPanel(null);
        scrollPane.setViewportView(panel_1);
        panel_1.setLayout(new MigLayout(
                "",
                "[][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][]",
                "[][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][]"));

        JScrollPane scrollPane_1 = new JScrollPane();
        tabbedPane.addTab("Info", null, scrollPane_1, null);

        frame.repaint();

    }

}

NEWPERSON.JAVA:

package familyTreeTest;

import java.awt.Color;
import java.awt.Component;
import java.awt.Dialog;
import java.awt.Frame;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;

import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;

import net.miginfocom.swing.MigLayout;

public class NewPerson extends JPanel {

    private JTextField textFieldNames;
    private JButton selectPictureButton;
    private JLabel labelDateOfBirth;
    private JTextField textFieldDateOfBirth;
    private JLabel labelShortBio;
    private JTextArea textAreaBio;
    private JLabel labelSelectPicture;
    private JButton buttonAdd;
    private String fileID;

    private Data data;
    private JComboBox comboBox;

    /**
     * Create the application.
     */
    private NewPerson() {
        initialize();
    }

    public static Data createPerson(Component comp) {
        NewPerson newPerson = new NewPerson();
        Window win = SwingUtilities.getWindowAncestor(comp);
        JDialog dialog = null;
        if (win instanceof Frame) {
            dialog = new JDialog((Frame) win, "New person", true);
        } else if (win instanceof Dialog) {
            dialog = new JDialog((Dialog) win, "New person", true);
        } else {
            dialog = new JDialog((Frame) null, "New person", true);
        }
        newPerson.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                Object source = e.getSource();
                if (source instanceof Component) {
                    Window win = SwingUtilities
                            .getWindowAncestor((Component) source);
                    win.dispose();
                }
            }
        });
        dialog.getContentPane().add(newPerson);
        dialog.pack();
        dialog.setLocationRelativeTo(comp);
        dialog.setVisible(true);

        return newPerson.getData();
    }

    public void addActionListener(ActionListener listener) {
        listenerList.add(ActionListener.class, listener);
    }

    protected void fireActionPerformed() {
        ActionListener[] listeners = listenerList
                .getListeners(ActionListener.class);
        if (listeners != null && listeners.length > 0) {
            ActionEvent evt = new ActionEvent(this,
                    ActionEvent.ACTION_PERFORMED, "created");
            for (ActionListener listener : listeners) {
                listener.actionPerformed(evt);
            }
        }
    }

    public Data getData() {
        return data;
    }

    /**
     * Initialize the contents of the frame.
     */
    private void initialize() {
        setBackground(new Color(135, 206, 250));
        setLayout(new MigLayout("", "[][][grow]", "[][][][grow][][][]"));

        JLabel labelNames = new JLabel("Name and Surname:");
        add(labelNames, "cell 1 1,alignx trailing");

        textFieldNames = new JTextField();
        add(textFieldNames, "cell 2 1,growx");
        textFieldNames.setColumns(10);

        labelDateOfBirth = new JLabel("Date of birth:");
        add(labelDateOfBirth, "cell 1 2,alignx center,aligny center");

        textFieldDateOfBirth = new JTextField();
        add(textFieldDateOfBirth, "cell 2 2,growx");
        textFieldDateOfBirth.setColumns(10);

        labelShortBio = new JLabel("Bio:");
        add(labelShortBio, "cell 1 3,alignx center,aligny center");

        textAreaBio = new JTextArea();
        add(textAreaBio, "cell 2 3,grow");

        labelSelectPicture = new JLabel("Select picture:");
        add(labelSelectPicture, "cell 1 4,alignx center,aligny center");

        selectPictureButton = new JButton("...");
        selectPictureButton.setBackground(new Color(30, 144, 255));
        selectPictureButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent arg0) {

                JFileChooser chooser = new JFileChooser(new File(System
                        .getProperty("user.home") + "\\Desktop"));

                chooser.setDialogTitle("Select Location");
                chooser.setFileSelectionMode(JFileChooser.APPROVE_OPTION);
                chooser.setAcceptAllFileFilterUsed(false);

                if (chooser.showSaveDialog(null) == JFileChooser.APPROVE_OPTION) {
                    fileID = chooser.getSelectedFile().getPath();

                    // txtField.setText(fileID);
                }

            }
        });
        add(selectPictureButton, "cell 2 4");

        String[] persons = { "this is my first person", "mother", "father",
                "brother", "sister", "spouse", "son", "daughter" };
        comboBox = new JComboBox(persons);
        add(comboBox, "cell 2 5,growx");

        buttonAdd = new JButton("Add");
        buttonAdd.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent arg0) {

                String names = textFieldNames.getText();
                String dateBirth = textFieldDateOfBirth.getText();
                String bio = textAreaBio.getText();
                String CBvalue = comboBox.getSelectedItem().toString();
                Boolean.valueOf(CBvalue);

                System.out.print(CBvalue);

                data = new Data(names, dateBirth, bio, fileID, CBvalue);
                fireActionPerformed();
            }
        });
        buttonAdd.setBackground(new Color(30, 144, 255));
        add(buttonAdd, "cell 2 6,grow");
    }

}