Denis Thatcher 1979 general election to become the first female Prime Minister in British history. Denis Thatcher became the first husband of a British Prime Minister. In 1953, they had twin children (Carol and Mark), who were born on 15 August, seven weeks premature. Thatcher was watching the 1953 Ashes series at the time of the birth. Not long after the 1964 general election, Denis Thatcher suffered a nervous breakdown which put a severe strain on their marriage. The breakdown was probably caused by the increasing pressure of running the family business, caring for his relatives, and his wife's preoccupation with her
Mark Thatcher Mark Thatcher Sir Mark Thatcher, 2nd Baronet (born 15 August 1953) is a British businessman. He is the son of Margaret Thatcher, former Prime Minister of the United Kingdom, and Sir Denis Thatcher, 1st Baronet, and is the twin brother of Carol Thatcher. He has two children by his first wife, Diane Burgdorf. He married his second wife, Sarah Jane Russell, daughter of Terry Clemence, a wealthy property developer, and sister of Viscountess Rothermere, in 2008. On the death of his father in 2003 he became Sir Mark Thatcher when he succeeded to the Thatcher baronetcy, a hereditary title which