Police say they still need information from the public in their investigation into the deaths of two young women killed in Titahi Bay, near Wellington, on Friday.
The bodies of Joelene Edmonds, 21, and her 16-year-old boarder Jashana Robinson were found in their Morere St home in the suburb of Porirua on Friday morning.
Ms Edmonds' children, aged one and two, were found wandering around in the house and are now being looked after by family.
Ms Robinson had lived at the house for less than a week.
A 28-year-old man appeared in the Porirua District Court on Saturday, facing two charges of murder and one of breaching a protection order.
He was granted interim name suppression and remanded in custody to appear next month.
The head of the inquiry, Detective Inspector Shane Cotter, said outside court that the accused was known to the victims.
Mr Cotter has made a further appeal for information. He says police are interested in any sightings of a man carrying a baseball bat, walking between Tawa and Titahi Bay between 6am and 10am on Friday.
Porirua mayor Jenny Brash says the killing of a young mother and her teenage boarder is shocking and tragic, and her thoughts go out to both families.
Police say the bodies of the two women were removed from the house on Friday afternoon as family members said a karakia.