How old was Jeanne III, Countess of Burgundy when Joan II, Countess of Burgundy died?

What was the age (length of time since creation) of Joan of Burgundy (1308 - 1349), also known as Jeanne de Bourgogne, Jeanne de France at the time Joan II, Countess of Burgundy (French: Jeanne de Bourgogne; 15 January 1292 - 21 January 1330), also known Joan II, Countess Palatine of Burgundy, the eldest daughter of Otto IV, Count of Burgundy, and his wife Mahaut, Countess of Artois is someone who died on?

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I followed this chain of reasoning:

I know from locally stored knowledge that:
1330 is the date of death of Joan II, Countess of Burgundy ([fact: ["685418152@trueknowledge.com"]])

May 2nd 1308 is the birthdate of Jeanne III, Countess of Burgundy ([fact: ["2238092218@trueknowledge.com"]])

By calculation (generator: ["human_age@trueknowledge.com"]) I know that:
Fact 1: between 21 years and 8 months and 22 years and 7 months old is the age of Jeanne III, Countess of Burgundy

Fact 1 is true at 1330

Fact 1: between 21 years and 8 months and 22 years and 7 months old is a age

Fact 1: between 21 years and 8 months and 22 years and 7 months old applies to Jeanne III, Countess of Burgundy

Fact 1 is true at 1330

I know from locally stored knowledge that:
1308 is the birthdate of Jeanne III, Countess of Burgundy ([fact: ["124183948@trueknowledge.com"]])

By calculation (generator: ["human_age@trueknowledge.com"]) I know that:
Fact 1: 22 years old is the age of Jeanne III, Countess of Burgundy

Fact 1 is true at 1330

Fact 1: 22 years old is a age

Fact 1: 22 years old applies to Jeanne III, Countess of Burgundy

Fact 1 is true at 1330

I used the following facts to provide this answer:

1330 is the date of death of Joan II, Countess of Burgundy

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May 2nd 1308 is the birthdate of Jeanne III, Countess of Burgundy

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1308 is the birthdate of Jeanne III, Countess of Burgundy

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