Mairead Philpott is describing each of the children who perished in the fire at her home in Derby.
Her eldest, Duwayne, was the "quiet caring one". Jade was the "princess" and John the "comedian" while her nickname for Jack was "blue-eyed baby boy".
Jessie was known as the "Irish stamper" because he used to stomp around.
Jayden was a miracle baby because he had been born six weeks premature.
More top news
Scotland Yard said the male youths will appear in custody at Westminster Magistrates' Court on Saturday.
Windy this weekend with gales across northwestern parts of the UK. Rain spreading southeast.
Greater Manchester Police said "inquiries are ongoing to fully understand the circumstances of the incident."