Descandents of a claimed / alleged second Graeff-line:
Originally descendant from the german Op den Graeff threw Abraham Isaacksz op den Graeff (1649-1731, Updegraff branch) and John William op den Graeff (1732-1800/1804, Updegrove branch) in the United States. In the States the family split up in the branches Updegraff, Updegrove, Updegraph, Upthegrove etc. Also the family Groff, Grove, an alleged branch of Hans Graff (1661-1746) lives in the States
* Abraham Isacks op den Graeff (1649-1731), in 1683 one of the Original 13 who became the first german settlers in Northamerica (Germantwon, Pennsylvania),
cousin to William Penn, signer of the first organized religious protest against slavery in colonial America
* Jonathan Taylor Updegraff (1822-1882), politican
* Thomas Updegraff (1834-1910), politican
* Mark K. Updegrove (born 1961), author and historian
* Stephan Updegraff (born 1962), refractive surgeon, opthalmologist