Speaking at a rally in Buckley, north Wales, Mr Farage told party supporters 'you may well be related to one of his many children'.
Aaron Hudson had been due to stand in Stourbridge before Nigel Farage announced his party would not contest seats won by the Tories in 2017.
The Brexit Party leader joined Boris Johnson in criticising Jeremy Corbyn's remarks about killed ISIS leader Abu Bakr al-Baghdadi.
Nigel Farage has said his Brexit Party will not contest Tory-held seats in the upcoming general election.
The Brexit Party leader said it would not stand general election candidates in the 317 seats won by the Conservatives in 2017.
Donna Jones, the Tory candidate for Portsmouth South, doesn't want a Brexit Party opponent in her way.
Support among voters for the Brexit Party has crumbled since the summer, a poll says.
The leader of the Brexit Party has decided not to stand as a candidate in the upcoming general election.
The Brexit Party leader urged the Prime Minister to pursue a Canada-style free trade agreement with the EU, and to sign up to a “Leave alliance”.
The tweet followed a spate of dairy-based incidents involving right-wing politicians.
The “anti-elite” 28 Brexiteers declared outside annual earnings of between £1.7 million and £3.9 million per year
An election expert described the loss of voters to the Brexit Party as 'Boris Johnson's nightmare scenario'.
The Brexit Party leader said he will enter a pact with the Tories if Boris Johnson ditches Theresa May's withdrawal agreement.