Quote from Sid Cooperrider on 2026-03-19, 6:39 pm

Find longest lineages of either male or female lines (starting person can be either male or female however). Especially useful for female lines... Must use --line <male or female>. Defaults to showing top 10, use --top <number> for specific number. Use --show-chain to show people in lineage.

Example:

python longest_lineage.py GENDB.rmtree --line female
Loading data... 74513 persons, 45146 with parents.

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Top 10 longest female-line ancestor chains:
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1. 27 generations: Georg Friedrich von Baden-Durlach [M] (ID=210081)
Oldest ancestor: Christina [F] (ID=1396)

2. 26 generations: Anna von Pfalz-Veldenz [F] (ID=210083)
Oldest ancestor: Christina [F] (ID=1396)

3. 25 generations: Thomas Wallis [M] (ID=21717)
Oldest ancestor: Christina [F] (ID=1396)

4. 25 generations: Willem Jan Jan Pijlijser [M] (ID=191432)
Oldest ancestor: Æthelswith of Wessex [F] (ID=77871)

5. 25 generations: Maria Ursula von Salm-Kyrburg [F] (ID=210084)
Oldest ancestor: Christina [F] (ID=1396)

6. 24 generations: Nicholas Meggs [M] (ID=6826)
Oldest ancestor: Count Berengar II [F] (ID=217811)

7. 24 generations: James Hamilton [M] (ID=7881)
Oldest ancestor: Christina [F] (ID=1396)

8. 24 generations: Annis von Isenburg-Büdingen [F] (ID=22671)
Oldest ancestor: Christina [F] (ID=1396)

9. 24 generations: Geertruid Willemsdr. van Boxtel [F] (ID=191437)
Oldest ancestor: Æthelswith of Wessex [F] (ID=77871)

10. 24 generations: Anna Von Isenburg-Kelsterbach [F] (ID=210094)
Oldest ancestor: Christina [F] (ID=1396)

Example with --show-chain:

 

python longest_lineage.py GENDB.rmtree --line female --top 1 --show-chain
Loading data... 74513 persons, 45146 with parents.

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Top 1 longest female-line ancestor chains:
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1. 27 generations: Georg Friedrich von Baden-Durlach [M] (ID=210081)
Oldest ancestor: Christina [F] (ID=1396)
Georg Friedrich von Baden-Durlach [M] (ID=210081)
> Anna von Pfalz-Veldenz [F] (ID=210083)
> Maria Ursula von Salm-Kyrburg [F] (ID=210084)
> Anna Von Isenburg-Kelsterbach [F] (ID=210094)
> Amalie, Countess von Looz und Rieneck [F] (ID=24058)
> Amalie von Mosbach [F] (ID=24588)
> Johanna von Bayern-Landshut Wittelsbach [F] (ID=26943)
> Margaretha von Habsburg Österreich [F] (ID=27935)
> Johanna Sophie von Bayern-Straubing-Holland [F] (ID=31100)
> Margarete von Liegnitz-Brieg [F] (ID=28765)
> Agniszka Duchess of Legnica [F] (ID=30663)
> Mathilde von Brandenburg [F] (ID=32669)
> Anna von Habsburg [F] (ID=210962)
> Elisabeth von Görz-Tirol [F] (ID=210337)
> Elisabeth von Bayern [F] (ID=210726)
> Agnes von Braunschweig [F] (ID=210776)
> Agnes von Staufen [F] (ID=229839)
> Irmgard von Henneberg [F] (ID=229879)
> Bertha von Putelendorf [F] (ID=126012)
> Agnes van Limburg [F] (ID=229891)
> Adelheid Van Pottenstein [F] (ID=80063)
> Judith von Schweinfurt [F] (ID=80451)
> Immilla di Torino [F] (ID=80764)
> Berta di Milan [F] (ID=81955)
> Railenda Ripondo [F] (ID=667)
> Railinda [F] (ID=778)
> Rotrude Roza Walpert [F] (ID=991)
> Christina [F] (ID=1396)