813 · Character

Baron Altenheim

A titled criminal with a taste for abduction and a sister whose secrets he keeps, Altenheim is the respectable face of the Kesselbach conspiracy.

supporting

Also known as Altenheim

First appearance: VII: Parbury-Ribeira-Altenheim

As a supporting figure in 813, Baron Altenheim is not background color—the story leans on what they do once the chapter opens.

Also known as Ribeira and Parbury, he proposes a partnership to Lupin, attempts to poison him, and then socializes with him while plotting his murder.

In the storyVII: Parbury-Ribeira-AltenheimOpen this moment free

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Altenheim operates from a room at the Palace Hotel and a villa in the suburbs, orchestrating kidnappings — old Steinweg snatched from the Palais de Justice itself — with a baron's calm. He is Dolores's brother, bound to her by blood and by the Malreich name, and his loyalty to her costs him everything. His murder removes the one witness who could have explained the family's grievance against Kesselbach, leaving Lupin to reconstruct it from fragments.

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Character Web

19 connections

A slice of how Baron Altenheim sits in the book — open the reader for the full interactive map.

Relationship types

Rivalry
Other

Character groups

Malreich family and associates
Protagonist
Kesselbach murder investigation core

+14 more in the full Character Web

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Narrative arc

Story tension across the book — this chapter sits in Exposition.

Setup
Escalation
Breaking point
Aftermath
Closing

This is the story's dramatic climax because Lupin experiences his most intense emotional and psychological pea…

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Relationships

Arsène Lupin
rivalry · negative
Lupin and Baron Altenheim are bitter enemies, constantly scheming against each other in a… How this plays out →
Dolores Kesselbach
rivalry · negative
Arsène Lupin
rivalry · negative
Lupin and Baron Altenheim are bitter enemies, constantly scheming against each other in a… How this plays out →

Relationship notes

How these ties play out is in the reading companion — open the free preview.

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In the story

Baron Altenheim appears across 6 companion beats. Open any chapter in the free preview to see the notes beside the text.

VII: Parbury-Ribeira-Altenheim
Also known as Ribeira and Parbury, he proposes a partnership to Lupin, attempts to poison him, and then socializes with him while plotting his murder.
VIII: The Olive-Green Frock-Coat
Dying, reveals Lupin's dual identity; dies after confessing.
XI: Charlemagne
Mentioned by Lupin in reference to the reenactment of his death at the Villa des Glycines.
XIII: The Seven Scoundrels
Referred to as the deceased leader of the gang; his real name is revealed to be Raoul de Malreich.
The Man in Black
Mentioned as having been murdered by Malreich.
Arsène Lupin’s Three Murders
Murdered by Dolores (stabbed).

Chapter companion notes

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See Baron Altenheim in VII: Parbury-Ribeira-Altenheim