Whether, with reference to his replies to question 27 on 2 March 2016, question 287 on 14 March 2016 and question 1155 on 10 May 2016, and in view of the leaked e-mails that have been published in the media recently, which indicate that he had travelled to Switzerland with a number of members of a certain family (name furnished) and a certain person (named furnished), he travelled to Switzerland with the specified family members and the specified person in 2015; if not, how did he travel to Switzerland; if so, (a) what were the circumstances of the specified trip and (b) what is his relationship with the specified person?