Program is running...
1: F1
    children
    1: I1
    2: I4
    spouses
    1: I2
    2: I3
2: F2
    children
    1: I11
    spouses
    1: I6
    2: I7
    3: I9
3: F5
    children
    spouses
    1: I10
    2: I11
4: F7
    children
    1: I2
    spouses
    1: I12
    2: I11
Program was run successfully.