Is the former adviser to the prime minister Dominic Cummings related by marriage to Andrew Wakefield?

Who is Mary Wakefield Cummings?

Mary Elizabeth Lalage Wakefield (born 12 April 1975) is a British journalist, and a columnist and commissioning editor for The Spectator.
Mary Wakefield (journalist)

Mary Wakefield
Alma mater University of Edinburgh
Occupation Journalist
Employer The Spectator
Spouse(s) Dominic Cummings ​ ( m. 2011)​

How much is the Johnson family worth?

$37 billion

Johnson family is estimated to be worth $37 billion (as of 2020), making it one of the richest families in the United States.