George Montegu Black III (August 6, 1940 in Winnipeg, Manitoba – January 10, 2002 in Toronto, Ontario) was the older brother of media baron Conrad Black

Conrad Black

Conrad Moffat Black, Baron Black of Crossharbour, OC, KCSG, PC is a Canadian-born member of the British House of Lords, and a historian, columnist and publisher, who was for a time the third largest newspaper magnate in the world. Lord Black controlled Hollinger International, Inc...

 and son of Winnipeg, Manitoba businessman George Montegu Black II

George Montegu Black II

George Montegu Black II to George Montegu Black Sr and Gertrude Maxwell Black was a Winnipeg business man and President of Canadian Breweries...

.

He along with his brother attended Toronto's elite Upper Canada College

Upper Canada College

Upper Canada College , located in midtown Toronto, Ontario, Canada, is an independent elementary and secondary school for boys between Senior Kindergarten and Grade Twelve, operating under the International Baccalaureate program. The secondary school segment is divided into ten houses; eight are...

, from which he matriculated in 1958.

With brother Conrad, they once controlled Hollinger Inc.

Hollinger Inc.

Hollinger Inc. was a Canadian media company based in Toronto. It was created by the Canadian businessman Conrad Black as a holding company for his media interests after he acquired control of The Daily Telegraph in 1986. It was the parent company of Chicago-based Hollinger International, whose...

 along with David Radler

David Radler

F. David Radler is a Canadian executive and close associate of Conrad Black for 36 years. Radler was once president of Ravelston Corporation, a privately owned corporation owned by Black and Radler to control their former newspaper empire. Ravelston owned Argus Corporation which in turn...

. He was also director of the Toronto-Dominion Bank

Toronto-Dominion Bank

The Toronto-Dominion Bank , is the second-largest bank in Canada by market capitalization and based on assets. It is also the sixth largest bank in North America. Commonly known as TD and operating as TD Bank Group, the bank was created in 1955 through the merger of the Bank of Toronto and the...

and HSC Foundation.

Married in 1964 to Mariellen Jean Campbell. They have three daughters, Tracey Jean, Alannah Christian, and Meredith Shannon, and one son, George Montegu IV. They were divorced in 1986, and Montegu subsequently married June Kemsley Doull in March, 1989.