His older brother , Ian MacCormick ( also known as the music journalist and writer Ian MacDonald ) was born in 1948 .
He is the second son of Ewen and Olwen MacCormick who married in 1946 after serving together in the RAF .
son 's older brother son   MacCormick ( also known as the music journalist and writer Ian MacDonald ) was born in 1948 .
He is the second son of Ewen and Olwen MacCormick who married in 1946 after serving together in the RAF .