Maori ia

← Indonesian ia (cognate)

← Proto-Austronesian *(si-)ia (inherited)

← Proto-Central-Eastern Malayo-Polynesian *ia (derived)

← Proto-Oceanic *ia (inherited)

← Proto-Polynesian *ia (inherited)

← Proto-Malayo-Polynesian *(si-)ia (inherited)

← Proto-Eastern Malayo-Polynesian *ia (inherited)

← Tagalog siya (cognate)

→ Bikol Central siya (cognate)

→ Indonesian ia (cognate)

→ Yami ya (cognate)

→ Yami iya (cognate)

→ Tokelauan ia (cognate)

→ Tagalog siya (cognate)