● Compare all the pronouns that attach to the muḍāf:
PersonGenderSingularDualPlural
Third personMasculineـهُ (his/its)ـهُمَا (theirs, two)ـهُمْ (theirs)
Third personFeminineـهَا (hers/its)ـهُمَا (theirs, two)ـهُنَّ (theirs)
Second personMasculineـكَ (your)ـكُمَا (yours, two)ـكُمْ (yours, all)
Second personFeminineـكِ (your)ـكُمَا (yours, two)ـكُنَّ (yours, all)
First personMasculine/feminineـي (my/me)ـنَا (our/us, two)ـنَا (our/us, all)
● Note: The same pronoun ـنَا is used for first-person dual and plural, for both masculine and feminine.