Denis Thatcher

Sir Denis Thatcher, 1st Baronet, MBE, TD was a British businessman, and the husband of the former British Prime Minister Margaret Thatcher. He was born in Lewisham, London, the elder child of a New Zealandborn British businessman, Thomas Herbert Thatcher. He is the most recent person outside the Royal Family to be awarded a British hereditary title, which he was granted in 1990.

They had twin children, Carol and Mark, who were born onAugust 1953, six weeks premature.

Source: Wikipedia