Please answer the following question: Facts: - residence: apeldoorn , netherlands - title: master of laws - spouse: princess margriet of the netherlands 10 january 1967 - parents: pieter de lange van vollenhoven , sr. . jacoba gijsbertha stuyling - occupation: emeritus professor - organization: dutch transport safety board dutch safety board - children: prince maurits prince bernhard prince pieter-christiaan prince floris - birth date: 30 april 1939 - name: pieter van vollenhoven - nationality: dutch - image: pieter van vollenhoven 2011.jpg - birth place: schiedam , netherlands - religion: protestantism - alma mater: leiden university Based on these bullet points, write a short biography describing the life of pieter van vollenhoven .
Answer:
pieter van vollenhoven , jr. -lrb- born 30 april 1939 -rrb- is the husband of princess margriet of the netherlands and a member , by marriage , of the dutch royal house .