How old was Petro Franko when Ivan Franko died?

What was the age (length of time since creation) of Petro Franko (1890-1941) son of Ivan Franko, the Ukrainian educator and author, a co-founder of the Plast Ukrainian Scouting Organization at the time Ivan Yakovych Franko (- ), the Ukrainian poet, writer, social and literary critic, journalist, economist, political activist, doctor of philosophy is someone who died on?

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Show reasoning Reasoning

I followed this chain of reasoning:

I know from locally stored knowledge that:
May 28th 1916 is the date of death of Ivan Franko ([fact: ["125250024@trueknowledge.com"]])

June 21st 1890 is the birthdate of Petro Franko ([fact: ["1024409446@trueknowledge.com"]])

By calculation (generator: ["human_age@trueknowledge.com"]) I know that:
Fact 1: 25 years, 11 months and 7 days old is the age of Petro Franko

Fact 1 is true at May 28th 1916

By calculation (generator: ["applies_at_timepoint@trueknowledge.com"]) I know that:
Fact 1 is true at May 1916

By calculation (generator: ["human_age@trueknowledge.com"]) I know that:
Fact 1: 25 years, 11 months and 7 days old is a age

Fact 1: 25 years, 11 months and 7 days old applies to Petro Franko

Fact 1 is true at May 28th 1916

I know from locally stored knowledge that:
1890 is the birthdate of Petro Franko ([fact: ["145289733@trueknowledge.com"]])

By calculation (generator: ["human_age@trueknowledge.com"]) I know that:
Fact 1: between 25 years and 5 months and 26 years and 4 months old is the age of Petro Franko

Fact 1 is true at May 28th 1916

By calculation (generator: ["applies_at_timepoint@trueknowledge.com"]) I know that:
Fact 1 is true at May 1916

By calculation (generator: ["human_age@trueknowledge.com"]) I know that:
Fact 1: between 25 years and 5 months and 26 years and 4 months old is a age

Fact 1: between 25 years and 5 months and 26 years and 4 months old applies to Petro Franko

Fact 1 is true at May 28th 1916

By calculation (generator: ["ismoreaccurate1@trueknowledge.com"]) I know that:
May 28th 1916 is a more accurate version of May 1916

I used the following facts to provide this answer:

May 28th 1916 is the date of death of Ivan Franko

agree disagree edit

June 21st 1890 is the birthdate of Petro Franko

agree disagree edit

1890 is the birthdate of Petro Franko

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