NIST published links to GDPR and ISO crosswalks to the NIST Privacy Framework. These are published by Microsoft (for ISO/IEC 27701) and the Enterprivacy Consulting Group (for the GDPR-Regulation 2016/679).
https://www.nist.gov/privacy-framework/resource-repository/browse/crosswalks/gdpr-crosswalk-enterprivacy-consulting-group
https://www.nist.gov/privacy-framework/resource-repository/browse/crosswalks/isoiec-27701-crosswalk-microsoft
Each spreadsheet provides a mapping between the framework and the GDPR regulations and ISO/IEC 27701 requirements for privacy management.