A family liaison officer has read out a statement on behalf of Craig De la Haye - a Jersey man whose wife Marta and five-year-old daughter Julia were both killed by Damian Rzeszowski.
They were both visiting the property where the Rzeszowskis lived when Damian turned on his own family.
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The woman had passed out on the motorway while her baby sat in the back seat.
Samantha Jefferies and husband Clive had been undergoing fertility treatment when he died suddenly, aged 51, of a brain haemorrhage.
Met Office issue warning as 70mph winds set to hit the Northwest in next 24 hours.