Its sponsors remain unidentified , but a number of well-known figures , including the British soldier of fortune Simon Mann and Sir Mark Thatcher , son of Margaret Thatcher , the former British prime minister , were said to have been involved .
Margaret Thatcher /people/person/children Mark Thatcher
PRP$ NNS VBP JJ , CC DT NN IN JJ NNS , VBG DT JJ NN IN NN NNP NNP CC NNP NNP NNP , NN IN NNP NNP , DT JJ JJ JJ NN , VBD VBN TO VB VBN VBN .
Margaret Thatcher
PERSON
Mark Thatcher
PERSON
/people/person/children