Cornelis de Graeff was a member of the family De Graeff, a prominent regent family from the Dutch Golden Age. He held the title 20th Free Lord of Purmerland and Ilpendam.
- Occupation
- landlord, official
- Position held
- Lord of Purmerend and Ilpendam
- Citizenship
- Dutch Republic
- Born
- August 23, 1671
- Died
- July 27, 1719
