#PID ID FID MID Gender Pheno
P0000001 1 3 2 3 -9
P0000001 2 7 6 2 -9
P0000001 3 5 4 1 -9
P0000001 4 0 0 2 -9
P0000001 5 0 0 1 -9
P0000001 6 0 0 2 -9
P0000001 7 0 0 1 -9