What is {date of birth} and {date of death} of {{Frederick William I of Prussia} has {child} as {Prince Augustus William of Prussia}}
When kick the bucket Frederick William I Prussia pass on, and when was his child Sovereign Augustus William of Prussia born?
When die Frederick William I Prussia die, and when was his son Prince Augustus William of Prussia born?
SELECT ?f ?m WHERE { resource:Frederick_William_I_of_Prussia property:child ?y . ?y property:date_of_death ?m . ?y property:child resource:Prince_Augustus_William_of_Prussia . ?y property:date_of_birth ?f }
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