sentences:  They had three sons and one daughter.He became a member and, in 1933, an official of the Transport and General Workers Union, which, as well as representing the interests of transport workers, was affiliated to the Labour Party, which Tom Oswald had joined in 1921.From 1941 - 1969 he was head of the Scottish Region of the Transport and General Workers Union (Trade Group Secretary, Scottish Region)  and during most of this time he was also an M.P.