Macsyna King never returned to her South Auckland home on the night her twin baby sons Chris and Cru were fatally injured, her sister said today.
Emily King told the High Court in Auckland that on that fateful day June 12, 2006, she and Macsyna were drinking at the West Auckland home of friends.
Macsyna's husband Chris is on trial for murdering the three-month-old twins.
The Crown alleges Kahui attacked the twins in their South Auckland home on June 12. They died in Auckland's Starship Hospital a few days later.
Defence lawyers say someone else, probably the twins' mother, Macsyna King, caused the injuries.
Emily King said she had not spent a lot of time with her sister until her own daughter Ellen was born, about the same time as Chris and Cru.
Macsyna was a protective mother and very attentive, while Kahui was good with his one-year-old son Shane and was very careful with the twins, she said.
Ms King said she saw her sister changing the twins and looking after them.
"She was specific about their sheets being cotton, their bottles being sterilised, the measurements were exact to the mil."
If the twins were unwell "before I knew it she would be off to the hospital or the doctor".
Her sister was also very house proud, she said.
