Richard Abegg was the son of Wilhelm Abegg and Margarete Friedenthal.

Entity and relation annotations:
id: 0
type: entity
value: text: Richard Abegg
labels: <Person>
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type: entity
value: text: Wilhelm Abegg
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id: 2
type: entity
value: text: Margarete Friedenthal
labels: <Person>
type: relation
to_id: 1
labels: Person:family:Person
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type: relation
to_id: 2
labels: Person:family:Person
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type: relation
to_id: 2
labels: Person:business/work:Person
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