Johann IV (V) Duke Of Saxony Lauenburg Ratzburg 1439–1507
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.
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- 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 Johann Ratzburg in their family trees — each with their own records and documentation. Trace the migration path across 2 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: B — verified across 2 independent trees, with linked records
Researchers connected through Johann Ratzburg 1439–1507
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and 1 more tree owner connected with Johann Ratzburg 1439–1507
Biography
In 1439, Johann IV (V) Duke Of Saxony Lauenburg Ratzburg entered the world in Lauenburg, Herzogtum Lauenburg, Schleswig-Holstein, Germany, born to bernhard ii iv duke of saxony lauenburg ratzeburg and adelheid caroline mathilde emilie agnes ida sophie von sachsen. Johann IV (V) Duke Of Saxony Lauenburg Ratzburg married dorthea konigin von danemark norwegen und schweden herzogin von schleswig und holstein grafin von oldenburg prinzessin von brand hohenzollern, and had children including magnus i of saxony duke of saxe lauenburg. Johann IV (V) Duke Of Saxony Lauenburg Ratzburg passed away in 1507 in Lauenburg, Herzogtum Lauenburg, Schleswig-Holstein, Germany.
Sources
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1Record Netherlands, GenealogieOnline Trees Index
Life Timeline
Oldest Ancestor Line from Johann Ratzburg
This ancestor line traces from Ratzeburg, Herzogtum Lauenburg, Schleswig-Holstein, Germany (1392) to Lauenburg, Herzogtum Lauenburg, Schleswig-Holstein, Germany (1439) across 2 generations.
Frequently Asked Questions
- Johann Ratzburg (1439–1507) was born in Lauenburg, Herzogtum Lauenburg, Schleswig-Holstein, Germany and died in Lauenburg, Herzogtum Lauenburg, Schleswig-Holstein, 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 (B) based on cross-tree validation.
- Right now, 2 researchers on YourRoots have Johann 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 2 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.
Johann Ratzburg's Ancestors
Pedigree chart — 3 generations on record