Dr Muhammad Taufiq Al Sattar said: "I deeply miss my beautiful wife and three beautiful children.
"What has happened has happened, and nothing can be reversed, but I hope justice prevails and in future this should not happen to any family."
Three woman, aged 27, 20 and 19, and men aged 49 and 19 have been arrested.
The arrests were made on Saturday afternoon.
The fire took hold shortly after midnight on Friday in Wood Hill with neighbours rushing to try to alert the family, named by the local mosque as Shehnila Taufiq, her teenage sons Jamal and Bilal and daughter Zainab, 19. (+ BBC video) » | Saturday, September 14, 2013
