13 F -1 -1 male unaffected M -1 -1 female affected C1 F M female affected C2 F M female affected C3 F M male affected C4 F M male unaffected C5 F M male unaffected C6 F M female affected G1 -1 C1 male affected G2 -1 C1 male unaffected G3 C2 -1 female affected G4 C2 -1 female affected G5 -1 C3 male unaffected