John Donaldson, Baron Donaldson of Lymington war in 1945. He served in the military government of Schleswig-Holstein, and was demobbed as a lieutenant-colonel aged 25. He married Dorothy Mary Warwick (later known as Dame Mary Donaldson), in 1945, having met her at Middlesex Hospital where she was working as a nurse. She later became the first woman to be a Member of the City of London Court of Common Council, the first female Alderman, the first female Sheriff and, finally, in 1983, the first female Lord Mayor of London. Together, they had two daughters and a son; his wife predeceased him in October 2003. Donaldson was
Joseph Donaldson and Hugh Paton, were later convicted of conspiracy to defraud and conspiracy to steal in connection with the sale. Donaldson was elected to the Manitoba legislature for the Brandon City constituency in the 1949 provincial election. He was elected as a Progressive Conservative, supporting the coalition government led by Liberal-Progressive Premier Douglas Campbell. The Progressive Conservative Party left the coalition government in the summer of 1950. Donaldson disagreed with this decision, and chose to sit as an independent. He resigned his seat on April 18, 1951, and did not seek a return to the legislature thereafter. He nonetheless remained active