Melanie Smith, aged 43, was convicted of murder on 30 April 2013.
She was foudnd guilty of murdering Lee-Anna Shiers, aged 20, her 15-month old son Charlie, his father Liam Timbrell, aged 23, Ms Shiers’ nephew Bailey Allen, aged 4 and his sister Skye, aged 2.
Smith deliberately set fire to a pushchair which was left in a communal area of the residence in which Smith and Timbrell. She was drunk and angry that it had been left in the shared hallway.
Smith will be sentenced on Wednesday 8th May.
A life sentence is mandatory, and the minimum term is likely to be lengthy.