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Queen Mary of Denmark Mourns Father's Passing at 84

4/12/2026

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Summary

Story summary

The Danish royal family announced the death of Queen Mary of Denmark's father, Professor John Dalgleish Donaldson, 84, in Hobart on April 12.
The death followed a decline in health over recent years.
Queen Mary expressed grief and recalled she last visited him in March during a state visit to Australia.
John Dalgleish Donaldson was born in Scotland, emigrated to Tasmania in 1963, and became a professor of applied mathematics.

History

Historical Context

John Dalgleish Donaldson emigrated from Scotland to Tasmania in 1963, where he became a prominent professor of applied mathematics at the University of Tasmania. His contributions to education influenced many students, including his daughter, Mary, who became Queen of Denmark in 2004. Donaldson's death in 2026 highlights the enduring familial ties between the Danish royal family and Australia.

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Story summary

The Danish royal family announced the death of Queen Mary of Denmark's father, Professor John Dalgleish Donaldson, 84, in Hobart on April 12.
The death followed a decline in health over recent years.
Queen Mary expressed grief and recalled she last visited him in March during a state visit to Australia.
John Dalgleish Donaldson was born in Scotland, emigrated to Tasmania in 1963, and became a professor of applied mathematics.

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