India, May 29 -- Prince William and Princess Kate Middleton, who are known for their hands-on parenting style, have been putting all efforts to ensure that their children's development remains unaffected by Catherine's cancer diagnosis.

In the past, the Royal couple has shared glimpses into their private family lives. They have revealed intimate details about their parenting practices, including their children's interests and hobbies, as well as the ideals they strive to inculcate in them.

One of the parenting strategies that Kate has been following is said to be borrowed directly from the playbook of her mother-in-law. It has even been nicknamed Princess Diana's "golden rule" as she raised her two kids, William and Harry.

According to...