Sharaz Ali allegedly set fire to the home of Bryonie Gawith in a botched revenge attack on his former partner - Bryonie's sister, Antonia Gawith, prosecutors have claimed.
Bryonie, 29, and her children Denisty, nine, Oscar, five, and 22-month-old Aubree Birtle, all died in the blaze on Westbury Road in Bradford on 21 August last year.
Bryonie Gawith, 28, nine-year-old Denisty Birtle, Oscar Birtle, five, and 22-month-old Aubree Birtle died after the blaze at their home in Westbury Road, Bradford, in the early hours of August 21.
Bryonie Gawith, 29, Denisty Birtle, nine, Oscar Birtle, five, and 22-month-old Aubree Birtle died following the fire at their home in Bradford, West Yorkshire, early on August 21 last year