She put her family before royal duties.

When she married Prince Charles, Diana gave up working as a nursery school teacher in favor of her royal obligations. But while she maintained her official duties, Diana put parenting before her other commitments.

“Inevitably, she left her children with nannies — just as she herself and so many other well-to-do British children have been left — but she tried to arrange her schedule to match the boys’,” Katrine Ames wrote in Newsweek in 1997. “In her official calendar, the princess had all the everyday details of her son’s utterly uneveryday lives marked in green ink.”