Although Sellers was reportedly in the process of excluding Frederick from his will a week before he died, she inherited almost his entire estate worth an estimated £4.5 million (£ million in pounds) while his children received £800 each (£ in pounds). Spike Milligan appealed to her on behalf of Sellers's three children, but she refused to increase the amount. Sellers's only son, Michael, died of a heart attack at 52 during surgery on 24 July 2006, twenty-six years to the day after his father's death.