zero
yes
yes
Burton's wife is Cheryl De Luca. They do not have any children
Abbe Charles Michel de L'Epee established the first public free deaf school in 1771. The signs soon became a standard signed language. Today, Abbe de L'Epee is known in Deaf history as the "Father of the Deaf" because of the twenty-one schools he established and all he has done for the deaf
Vasco Nunez de Balboa did not have any children.
Amanda De Cadenet has 3 children. Her first born is Atlanta De Cadenet Taylor to John Taylor (Duran Duran) and she has twins with Nick Valensi (The Strokes).
Not together, but Nathan Leopold did father a daughter in Penuelas, Puerto Rico. Trudi de Queveda had no children of her own.
George de Mestral did not have any children. He never married and dedicated his life to his work as an engineer and inventor.
Apparently not. In Ireland, he had a "political" marriage to Affreca, daughter of the King of Mann, and no record exists of her bearing him any children.
From Wikipedia: "He was married to Beatriz Barbosa and had two children: Rodrigo de Magalhães and Carlos de Magalhães, both of whom died at a young age."
Hitler did not have any children.
No she wasn't she doesn't have any children yet. :)