Lauffs & Martin Genealogie
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5 August 2026
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Circle Diagram:
Johann Leonhard Alertz
Root Person ID
Circle Diagram
1/2
3/4
4/4
Generations
2
3
4
5
6
7
8
9
Width
%
Elisabeth Maria Kern
Pedigree Tree
Descendancy Chart
Ancestry Chart
Compact Chart
Circle Diagram
Hourglass Chart
Interactive Tree
Heinrich Alerts
< Johann Heinrich Joseph Alerts
< Maria Josepha Alerts
< Johann Leonhard Alertz
< Johann Alerts
Heinrich Alerts
Pedigree Tree
Descendancy Chart
Ancestry Chart
Compact Chart
Circle Diagram
Hourglass Chart
Interactive Tree
Catharina Reventer
< Johann Andreas Alerts
< Matthias Alerts
Catharina Roevenig
< Joseph Philipp Alerts
< Anna Catharina Alerts
Elisabeth Maria Kern
< Johann Heinrich Joseph Alerts
< Maria Josepha Alerts
< Johann Leonhard Alertz
< Johann Alerts
Johann Leonhard Alertz
Pedigree Tree
Descendancy Chart
Ancestry Chart
Compact Chart
Circle Diagram
Hourglass Chart
Interactive Tree
Maria Sophie Elisabeth Jansen
Anna Margarita Thommessen
< Johann Heinrich Laurentius Alertz
< Johann Joseph Alerts
< Maria Theresia Alerts
< Anna Gertrud Alerts
< Maria Josepha Alerts
< Anna Maria Josepha Alertz
Siblings
Johann Heinrich Joseph Alerts
Maria Josepha Alerts
Johann Alerts
Ancestry Chart
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