FamilyId
IndividualId
Gender
Father
Mother

cs_003 01 M  .  .
cs_003 02 F  .  .
cs_003 03 M  .  .
cs_003 04 F 01 02
cs_003 05 F 01 02
cs_003 06 F 03 04
cs_003 07 M 03 04
cs_003 08 M 05 07