Herman Isaacs Op Den Graeff 1585–1642
What is a Public Tree Person?
A Public Tree Person is an ancestor documented independently by multiple YourRoots tree owners. When several researchers' family histories converge on the same person, we publish a shared page that combines what they've documented.
Why this is a Public Tree Person
Compare a Public Tree Person with your own tree using Compare Tree.
- A 3 criteria (Strong)
- B 2 criteria (Medium)
- C 1 criteria (Basic)
- Record available
- Descendant's record available
- Star tree owner
2 researchers on YourRoots have Herman Graeff in their family trees — each with their own records and documentation. Trace the migration path across 1 generations. If this ancestor is in your tree too, you can compare what you've found and fill in the gaps together.
Last updated: August 25, 2026 · Reliability: C — verified across 2 independent trees
Researchers connected through Herman Graeff 1585–1642
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and 1 more tree owner connected with Herman Graeff 1585–1642
Immediate Family
Biography
Herman Isaacs Op Den Graeff was born in 1585 in Aldekerk, Kleve, North Rhine-Westphalia, Germany Holland, the child of johann wilhelm von julich kleve berg and jacoba prinses vonbaden. Herman Isaacs Op Den Graeff had children including aelitgen greitjen opdengraeff. Herman Isaacs Op Den Graeff passed away in 1642 in Krefeld, Rheinland-Pfalz, Germany.
Sources
Life Timeline
Oldest Ancestor Line from Herman Graeff
Frequently Asked Questions
- Herman Graeff (1585–1642) was born in Aldekerk, Kleve, North Rhine-Westphalia, Germany Holland and died in Krefeld, Rheinland-Pfalz, Germany. 2 researchers on YourRoots have this ancestor in their family trees, each with their own records. This page combines what they've independently documented and assigns a Reliability Score (C) based on cross-tree validation.
- Right now, 2 researchers on YourRoots have Herman in their trees. They're working independently, so connecting with them is a good way to cross-check your records and find things you might have missed. You can also explore the ancestor migration map that traces 1 generations of this lineage geographically.
- It varies by researcher — some have census records, others have marriage certificates, parish registers, or family Bible entries. Scroll up to see exactly what each person has cited.
- Use the "Compare Tree" button on any researcher's profile above. You can compare your tree side by side with theirs, see where your records overlap or differ, and collaborate to fill gaps.
Herman Graeff's Ancestors
Pedigree chart — 3 generations on record