From notes on ‘The family tree of Daryl Raymond Cowen and Wendy Narelle Peacock (nee Cowen)’

John Robert Cowen, the only son of William John Cowen’s third marriage, was born at Armidale, Victoria on the 26th July 1921.

He married Ivy Dawn Mair on the 28th October 1944.

Ivy Dawn Mair was born at Mentone on 12th October 1924 and was the third daughter of John Mair and Florence Adealla Mair (nee Watts). She had four brothers and three sisters.

They had two children:
—Daryl Raymond Cowen
—Wendy Nacelle Cowen

John Robert Cowen served in the Royal Australian Air Force as a Air Radar Instructor in the World War II. He spent almost 46 years in the Commonwealth Broadcasting Control Board and then the Australian Broadcasting Tribunal. He was Assistant Secretary of the Board and Director of Policy and Licensing in the Tribunal. He retired from the Public Service on 30th August 1981, notwithstanding he could have elected to stay a further five years.