On-line Te Reo Māori Dictionary

Ko Liam te mokopuna a Beverley rāua ko Denis.
Liam is the grandchild of Beverley and Denis.
Identity sentences - ko...

Ko Amaru te mokopuna a Taika rāua ko Aria.
Amaru is the grandchild of Taika and Aria.
Talking about more than one person - ...rāua ko..., rātou ko...

Ko Kayte rāua ko Denis, ko Beverley
Kayte and Denis and Beverley
Talking about more than one person - ...rāua ko..., rātou ko...